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Chemical Structure| 940284-98-0 Chemical Structure| 940284-98-0

Structure of 940284-98-0

Chemical Structure| 940284-98-0

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Product Details of [ 940284-98-0 ]

CAS No. :940284-98-0
Formula : C19H31BN4O4
M.W : 390.28
SMILES Code : O=C(N1CCN(C2=NC=C(B3OC(C)(C)C(C)(C)O3)C=N2)CC1)OC(C)(C)C
MDL No. :MFCD07781250
InChI Key :YODSUBUWTUTLAZ-UHFFFAOYSA-N
Pubchem ID :46739020

Safety of [ 940284-98-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Computational Chemistry of [ 940284-98-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 28
Num. arom. heavy atoms 6
Fraction Csp3 0.74
Num. rotatable bonds 5
Num. H-bond acceptors 6.0
Num. H-bond donors 0.0
Molar Refractivity 115.71
TPSA ?

Topological Polar Surface Area: Calculated from
Ertl P. et al. 2000 J. Med. Chem.

77.02 Ų

Lipophilicity

Log Po/w (iLOGP)?

iLOGP: in-house physics-based method implemented from
Daina A et al. 2014 J. Chem. Inf. Model.

0.0
Log Po/w (XLOGP3)?

XLOGP3: Atomistic and knowledge-based method calculated by
XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry

2.3
Log Po/w (WLOGP)?

WLOGP: Atomistic method implemented from
Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.

1.07
Log Po/w (MLOGP)?

MLOGP: Topological method implemented from
Moriguchi I. et al. 1992 Chem. Pharm. Bull.
Moriguchi I. et al. 1994 Chem. Pharm. Bull.
Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.

0.75
Log Po/w (SILICOS-IT)?

SILICOS-IT: Hybrid fragmental/topological method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

0.6
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.94

Water Solubility

Log S (ESOL):?

ESOL: Topological method implemented from
Delaney JS. 2004 J. Chem. Inf. Model.

-3.54
Solubility 0.113 mg/ml ; 0.00029 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-3.56
Solubility 0.109 mg/ml ; 0.000278 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (SILICOS-IT)?

SILICOS-IT: Fragmental method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

-3.86
Solubility 0.0535 mg/ml ; 0.000137 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble

Pharmacokinetics

GI absorption?

Gatrointestinal absorption: according to the white of the BOILED-Egg

High
BBB permeant?

BBB permeation: according to the yolk of the BOILED-Egg

No
P-gp substrate?

P-glycoprotein substrate: SVM model built on 1033 molecules (training set)
and tested on 415 molecules (test set)
10-fold CV: ACC=0.72 / AUC=0.77
External: ACC=0.88 / AUC=0.94

Yes
CYP1A2 inhibitor?

Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.83 / AUC=0.90
External: ACC=0.84 / AUC=0.91

No
CYP2C19 inhibitor?

Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.80 / AUC=0.86
External: ACC=0.80 / AUC=0.87

No
CYP2C9 inhibitor?

Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set)
and tested on 2075 molecules (test set)
10-fold CV: ACC=0.78 / AUC=0.85
External: ACC=0.71 / AUC=0.81

No
CYP2D6 inhibitor?

Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set)
and tested on 1068 molecules (test set)
10-fold CV: ACC=0.79 / AUC=0.85
External: ACC=0.81 / AUC=0.87

No
CYP3A4 inhibitor?

Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set)
and tested on 2579 molecules (test set)
10-fold CV: ACC=0.77 / AUC=0.85
External: ACC=0.78 / AUC=0.86

Yes
Log Kp (skin permeation)?

Skin permeation: QSPR model implemented from
Potts RO and Guy RH. 1992 Pharm. Res.

-7.05 cm/s

Druglikeness

Lipinski?

Lipinski (Pfizer) filter: implemented from
Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev.
MW ≤ 500
MLOGP ≤ 4.15
N or O ≤ 10
NH or OH ≤ 5

0.0
Ghose?

Ghose filter: implemented from
Ghose AK. et al. 1999 J. Comb. Chem.
160 ≤ MW ≤ 480
-0.4 ≤ WLOGP ≤ 5.6
40 ≤ MR ≤ 130
20 ≤ atoms ≤ 70

None
Veber?

Veber (GSK) filter: implemented from
Veber DF. et al. 2002 J. Med. Chem.
Rotatable bonds ≤ 10
TPSA ≤ 140

0.0
Egan?

Egan (Pharmacia) filter: implemented from
Egan WJ. et al. 2000 J. Med. Chem.
WLOGP ≤ 5.88
TPSA ≤ 131.6

0.0
Muegge?

Muegge (Bayer) filter: implemented from
Muegge I. et al. 2001 J. Med. Chem.
200 ≤ MW ≤ 600
-2 ≤ XLOGP ≤ 5
TPSA ≤ 150
Num. rings ≤ 7
Num. carbon > 4
Num. heteroatoms > 1
Num. rotatable bonds ≤ 15
H-bond acc. ≤ 10
H-bond don. ≤ 5

0.0
Bioavailability Score?

Abbott Bioavailability Score: Probability of F > 10% in rat
implemented from
Martin YC. 2005 J. Med. Chem.

0.55

Medicinal Chemistry

PAINS?

Pan Assay Interference Structures: implemented from
Baell JB. & Holloway GA. 2010 J. Med. Chem.

0.0 alert
Brenk?

Structural Alert: implemented from
Brenk R. et al. 2008 ChemMedChem

1.0 alert: heavy_metal
Leadlikeness?

Leadlikeness: implemented from
Teague SJ. 1999 Angew. Chem. Int. Ed.
250 ≤ MW ≤ 350
XLOGP ≤ 3.5
Num. rotatable bonds ≤ 7

No; 1 violation:MW<1.0
Synthetic accessibility?

Synthetic accessibility score: from 1 (very easy) to 10 (very difficult)
based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties,
trained on 12'782'590 molecules and tested on 40 external molecules (r2 = 0.94)

3.77

Application In Synthesis of [ 940284-98-0 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 940284-98-0 ]

[ 940284-98-0 ] Synthesis Path-Downstream   1~35

  • 2
  • [ 940284-98-0 ]
  • [ 1246372-62-2 ]
  • [ 1246372-67-7 ]
YieldReaction ConditionsOperation in experiment
100% With sodium carbonate;bis-triphenylphosphine-palladium(II) chloride; In 1,4-dioxane; at 110℃; for 2.5h; Example 19; 4-{5-[2-(3,4-Dimethoxy-phenyl)-imidazo[2,1-b][1,3,4]thiadiazol-5-yl]- pyrimidin-2-yl}-piperazine-1-carboxylic acid tert-butyl ester A mixture of 2-(3,4-dimethoxy-phenyl)-5-iodo-imidazo[2,1-b][1 ,3,4]thiadiazole (0.3 g, 0.775 mmol, 1 eq), PdCI2(Ph3P)2 (0.11 g, 0.155 mmol, 0.2 eq), 2-(4-boc- piperazin-1-yl)pyrimidine-5-boronic acid pinacol ester (0.454 g, 1.16 mmol, 1.5 eq) and Na2CO3 (2M aqueous solution, 1.5 mL) in dioxane (4.5 mL) was heated at 110 ºC for 2.5 h. The reaction was cooled down to rt and solvents were removed under reduced pressure. The residue was treated with water, sonicated and filtered. The solid was washed with water, Et2O and dried to give the desired product (416 mg, 100%). HPLC-MS: (5-100% B in 8 min, 0.8 mL/min, 50 ºC): t*= 6.48 min, [M+H]+ m/z 524.2; 1H NMR (300 MHz, DMSO) delta 8.99 (s, 2H), 7.70 (s, 1H), 7.55 (d, J = 8.4 Hz, 1 H), 7.47 (s, 1 H), 7.15 (d, J = 8.4 Hz, 1 H), 3.88 (s, 3H), 3.86 (s, 3H), 3.80 (m, 4H), 3.43 (m, 4H), 1.43 (s, 9H).
  • 4
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  • [ 1272972-51-6 ]
  • 5
  • [ 940284-98-0 ]
  • [ 1379522-46-9 ]
  • 6
  • [ 940284-98-0 ]
  • [ 1272973-41-7 ]
  • 7
  • [ 940284-98-0 ]
  • [ 1272972-59-4 ]
  • 8
  • [ 940284-98-0 ]
  • [ 1379522-47-0 ]
  • 9
  • [ 940284-98-0 ]
  • [ 1272973-82-6 ]
  • 10
  • [ 940284-98-0 ]
  • [ 1272972-86-7 ]
  • 11
  • [ 940284-98-0 ]
  • [ 1379522-48-1 ]
  • 12
  • [ 940284-98-0 ]
  • [ 1379522-49-2 ]
  • 13
  • [ 940284-98-0 ]
  • [ 1272973-58-6 ]
YieldReaction ConditionsOperation in experiment
With dihydrogen peroxide; In tetrahydrofuran; water; at 20℃; for 1.5h; In a vessel, tert-butyl 4-(5-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2- yl)pyrimidin-2-yl)piperazine-l-carboxylate (0.5 g, 1.28 mmol) and 35% aqueous hydrogen peroxide (1.2 mL, 12.8 mmol) were dissolved in tetrahydrofuran (10 mL). The reaction mixture was stirred at room temperature for 1.5 hours. The mixture diluted to 40 mL with aqueous saturated sodium thiosulfate solution and then extracted with ethylacetate to give the desired product tert-butyl 4-(5-hydroxypyrimidin-2-yl)piperazine-l-carboxylate as a brown oil. This material was used in Step 2 without further purification.
  • 14
  • [ 940284-98-0 ]
  • [ 1272972-49-2 ]
  • 15
  • [ 940284-98-0 ]
  • [ 1536390-34-7 ]
  • [ 1536390-94-9 ]
YieldReaction ConditionsOperation in experiment
86% With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate; In 1,4-dioxane; water; at 90℃; for 18h;Inert atmosphere; Intermediate 7 (250 mg, 0.68 mmol) and tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3 ,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine- 1 -carboxylate (319 mg, 0.82 mmol) were dissolved in 1,4-dioxane (3 mL). A 2M aqueous solution of potassium carbonate (1.2 mL) was added and the reaction mixture was degassed with nitrogen for 5 minutes. Bis[3 -(diphenylphosphanyl)cyclopenta-2,4-dien- 1 -yl]iron-dichloropalladium-dichloro10 methane complex (28 mg, 0.03 mmol) was added and the reaction mixture was heated at90C in a pressure tube for 18 h. The reaction mixture was diluted with EtOAc, washed with water and brine, then dried over sodium sulfate and concentrated under vacuum. The residue obtained was purified by flash column chromatography, eluting with 0-10% methanol in DCM, to yield the title compound (324 mg, 86%). oH (500 MHz, DMSO-d6)8.69 (s, 2H), 8.40 (s, 1H), 7.55 (d, J9.3 Hz, 1H), 7.48 (d, J 10.7 Hz, 1H), 7.46-7.10 (m,4H), 7.04 (d, J6.8 Hz, 1H), 4.36 (s, 2H), 3.81-3.74 (m, 4H), 3.47-3.39 (m, 4H), 2.32 (s,3H), 1.43 (s, J3.5 Hz, 9H). Method B HPLC-MS: MH+ m/z 551, RT 1.72 minutes(80%).
  • 16
  • [ 940284-98-0 ]
  • [ 1537169-11-1 ]
  • [ 1537169-51-9 ]
YieldReaction ConditionsOperation in experiment
50% With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate; In 1,4-dioxane; water; at 90℃; for 8.5h;Inert atmosphere; Sealed tube; Intermediate 6 (100 mg, 0.27 mmol) and tert-bvXy 4-[5-(4,4,5,5-tetramethyl- 1, 3, 2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine-l -carboxylate (88 mg, 0.225 mmol) were dissolved in 1,4-dioxane (4 mL) and 2M aqueous potassium carbonate solution (475 mu) was added. The reaction mixture was degassed with nitrogen for 5 minutes, then bis[3-(diphenylphosphanyl)cyclopenta-2,4-dien- 1 -yljiron; dichloromethane; dichloro- palladium (11.1 mg, 0.01 mmol) was added. The reaction was heated at 90C for 8.5 h in a sealed tube under nitrogen. The mixture was diluted with EtOAc (20 mL) and washed with water (15 mL). The aqueous phase was diluted with water (15 mL) and extracted with EtOAc (20 mL). The combined organic layers were washed with brine (10 mL), dried over magnesium sulfate and concentrated under vacuum. The crude product was purified by column chromatography, eluting with heptanes: ethyl acetate 1 :0 to 1 : 1 , to yield the title compound (81 mg, 50%). deltaEta (250 MHz, CDC13) 9.07 (s, 1H), 8.76 (s, 2H), 7.95 (d, J 1.4 Hz, 1H), 7.31 (d, J 7.4 Hz, 1H), 7.13 (m, 2H), 6.94 (m, 1H), 6.64 (t, J29 Hz, 1H), 4.33 (s, 2H), 3.87 (m, 4H), 3.51 (m, 4H), 2.58 (s, 3H), 1.49 (s, 9H). Method A HPLC-MS: MH+ mlz 552, RT 5.01 minutes
50% With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate; In 1,4-dioxane; water; at 90℃; for 8.5h;Inert atmosphere; Sealed tube; Intermediate 6 (100 mg, 0.27 mmol) and <strong>[940284-98-0]tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine-1-carboxylate</strong> (88 mg, 0.225 mmol) were dissolved in 1,4-dioxane (4 mL) and 2M aqueous potassium carbonate solution (475 iut) was added. The reaction mixture was degassed with nitrogen for 5 minutes, then bis[3-(diphenylphosphanyl)cyclopenta-2,4-dien-1-yl]iron; dichloromethane; dichloropalladium (11.1 mg, 0.01 mmol) was added. The reaction was heated at 90 C. for 8.5 h in a sealed tube under nitrogen. The mixture was diluted with EtOAc (20 mL) and washed with water (15 mL). The aqueous phase was diluted with water (15 mL) and extracted with EtOAc (20 mL). The combined organic layers were washed with brine (10 mL), dried over magnesium sulfate and concentrated under vacuum. The crude product was purified by column chromatography, eluting with heptanes:ethyl acetate 1:0 to 1:1, to yield the title compound (81 mg, 50%). deltaH (250 MHz, CDCl3) 9.07 (s, 1H), 8.76 (s, 2H), 7.95 (d, J 1.4 Hz, 1H), 7.31 (d, J 7.4 Hz, 1H), 7.13 (m, 2H), 6.94 (m, 1H), 6.64 (t, J 29 Hz, 1H), 4.33 (s, 2H), 3.87 (m, 4H), 3.51 (m, 4H), 2.58 (s, 3H), 1.49 (s, 9H). Method A HPLC-MS: MH+ m/z 552, RT 5.01 minutes.
  • 18
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  • [ 1571828-51-7 ]
  • 19
  • [ 940284-98-0 ]
  • [ 1571828-31-3 ]
  • 23
  • [ 940284-98-0 ]
  • 1-(5-Hydroxy-2-pyrimidinyl)-piperazine [ No CAS ]
  • 24
  • [ 940284-98-0 ]
  • 2-(4-(6,7-dimethoxyquinazolin-4-yl)piperazin-1-yl)pyrimidin-5-ol [ No CAS ]
  • 25
  • [ 940284-98-0 ]
  • 6,7-dimethoxy-4-(4-(5-((4-(trifluoromethyl)benzyl)oxy)pyrimidin-2-yl)piperazin-1-yl)quinazoline [ No CAS ]
  • 26
  • [ 24634-02-4 ]
  • [ 940284-98-0 ]
  • 4-[5-(5-methoxy-1-oxo-1,2-dihydro-isoquinolin-3-yl)-pyrimidin-2-yl]-piperazine-1-carboxylic acid tert-butyl ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
100% With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate; In 1,2-dimethoxyethane; ethanol; dichloromethane; water; at 120℃; for 2h;Inert atmosphere; Microwave irradiation; 3-Chloro-5-methoxy-2H-isoquinolin-1-one (100 mg, 0.48 mmol), 2-(4-Boc-piperazin-1- yl)pyrimidine-5-boronic acid pinacol ester (280 mg, 0.72 mmol), K2003 (132 mg, 0.96mmol) and Pd(dppf)C12 (1:1 complex with CH2CI2) (36 mg, 0.044 mmol) in DME/EtOH/H20 4:1:1 (2.5 mL) were added to a microwave vial and the reaction mixture purged with N2 for 10 mm. The reaction mixture was irradiated using a microwave reactor (300W, 120 00, 120 mm). The reaction mixture was concentrated in vacuo passed through a thiol cartridge (Silylcycle ig, 6 mL) eluting with CH2CI2, followed by MeOH. Theorganic fractions were concentrated in vacuo to afford 4-[5-(5-methoxy-1-oxo-1,2-dihydro- isoquinolin-3-yl)-pyrimidin-2-yl]-piperazine- 1 -carboxylic acid tert-butyl ester as a brown solid (210 mg, quant.) which was used in the next step without further purification.AnalpH2_MeOH_4min(1): Rt 3.28 mm; mlz 438 [M+1].
  • 27
  • [ 940284-98-0 ]
  • 7-bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-methyl-2-vinyl-2,3-dihydrobenzofuran-5 carboxamide [ No CAS ]
  • t-butyl 4-(5-(5-(((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-2-methyl-2-vinyl-2,3-dihydrobenzofuran-7-yl)pyrimidin-2-yl)piperazine-1-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
27% With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; In N,N-dimethyl-formamide; at 100℃; for 2h;Inert atmosphere; Sealed tube; A reaction vial was charged with tert-butyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)piperazine- 1 -carboxylate (16.09 mg, 0.041 mmol), 7-bromo-N-((4,6-dimethyl-2-oxo- 1 ,2-dihydropyridin-3 -yl)methyl)-2-methyl-2-vinyl-2,3 -dihydrobenzofuran-5-carboxamide (8.6 mg, 0.021 mmol) and dimethylformamide (0.5mL).A solution of sodium carbonate (87 tl, 0.087 mmol, 1 M) was added and thereaction degassed for ca. 15 minutes with a stream of nitrogen. Tetrakis(triphenyl phosphine)palladium(0) (2.38 1 mg, 2.06 1 jimol) was then added and degassing continued for a few minutes. The vial was sealed and heated to 100 C for ca. 120 minutes. The cooled reactions was diluted with DMF(1 .5 mL) and filtered. The crude material was purified via preparative LC/MS with the following conditions: Column: Waters XBridge C18, 19 x 250 mm, 5-rim particles; Mobile Phase A: 5:95 acetonitrile: water with 10-mMammonium acetate; Mobile Phase B: 95:5 acetonitrile: water with 1 0-mM ammonium acetate; Gradient: 25-100% B over 25 minutes, then a 5-minute hold at 100% B; Flow: 20 mL/min. Fractions containing the desired product were combined and dried via centrifugal evaporation. The material was further purified via preparative LC/MS with the following conditions: Column: XBridge C18, 19 x 200 mm, 5-tim particles; Mobile PhaseA: 5:95 acetonitrile: water with 0.1% trifluoroacetic acid; Mobile Phase B: 95:5 acetonitrile: water with 0.1% trifluoroacetic acid; Gradient: 35-75% B over 25 minutes, then a 10-minute hold at 100% B; Flow: 20 mL/min. Fractions containing the desired product were combined and dried via centrifugal evaporation. The yield of the product was 3.5mg (27%). ?H NMR (500MHz, DMSO-d6) oe 11.52 (br. s., 1H), 8.79 (s, 2H), 8.31-8.19 (m, 1H), 7.88 (s, 1H), 7.67 (s, 1H), 6.11 (dd,J=17.4, 10.7 Hz, 1H), 5.88 (s, 1H),5.23 (d, J17.1 Hz, 1H), 5.10 (d, J10.4 Hz, 1H), 4.30 (d, J=4.9 Hz, 2H), 3.83 - 3.74 (m,4H), 3.42 (br. s., 4H), 3.29-3.21 (m, 1H), 3.19-3.11 (m, 1H), 2.17 (s, 3H), 2.12 (s, 3H),1.54 (s, 3H), 1.43 (s, 9H). MS(ES): mlz 601 [M+H].
  • 28
  • [ 940284-98-0 ]
  • 9-bromo-3,4-dimethyl-N-((6-methyl-2-oxo-4-propyl-1,2-dihydropyridin-3-yl)methyl)2,5-dihydrobenzo[b]oxepine-7-carboxamide [ No CAS ]
  • 2-methyl-N-((6-methyl-2-oxo-4-propyl-1,2-dihydropyridin-3-yl)methyl)-7-(2-(piperazin-1-yl)pyrimidin-5-yl)-2-(prop-1-en-2-yl)-2,3-dihydrobenzofuran-5-carboxamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
69% A suspension of tetrakis(triphenylphosphine)palladium(0) (2.7 mg, 2.4 jimol) and tert-butyl 4-(5 -(4,4,5,5 -tetramethyl- 1,3 ,2-dioxaborolan-2-yl)pyrimidin-2-yl)piperazine- 1-carboxylate (0.0 18 g, 0.046 mmol) and 9-bromo-N-((4,6-dimethyl-2-oxo-1,2- dihydropyridin-3 -yl)methyl)-3 ,4-dimethyl-2,5 -dihydrobenzo [b]oxepine-7-carboxamide (Example 86, 0.01 g, 0.023 mmol) in degassed DMF (1 mL) was treated with aq. potassium carbonate (0.046 mL, 0.070 mmol) and placed under nitrogen. This mixture was heated at 95C for lh. The reaction was cooled to 60C, quenched with glacialHOAc, and purified by prep. HPLC (Axia Luna 30 x 100 mm column, gradient elution with MeOH-water-TFA). Concentration of the appropriate fraction afforded a glass. This was stirred for 30 mm. with 4M HC1 in dioxane (1 mL) then concentrated and lyophilized from benzene to afford 2-methyl-N-((6-methyl-2-oxo-4-propyl- 1,2- dihydropyridin-3-yl)methyl)-7-(2-(piperazin- 1 -yl)pyrimidin-5-yl)-2-(prop- 1 -en-2-yl)-2,3-dihydrobenzofuran-5-carboxamide, 2 HC1 (0.01 g, 69 % yield) as a white powder. ?H NMR(400MHz, DMSO-d6) oe 11.52 (br.s, 1H), 9.09 (br. s, 2H), 8.83 (s, 2H), 8.23 (t, J4.6 Hz, 1H), 7.88 (d, J1.5 Hz, 1H), 7.68 (s, 1H), 5.90 (s, 1H), 5.00 (s, 1H), 4.85 (s, integration obscured by broad water signal), 4.31 (d, J4.6 Hz, 2H), 4.01 (t, J5.2 Hz, 4H), 3.30 (d,J=16.3 Hz, 1H), 3.21-3.11 (m, 5H), 2.51-2.45 (multiplicity, integrationobscured by solvent), 2.12 (s, 3H), 1.79 (s, 3H), 1.54-1.44 (m, 5H), 0.87 (t, J7.4 Hz,
  • 29
  • [ 940284-98-0 ]
  • 6-bromo-3-[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyrimidine [ No CAS ]
  • tert-butyl 4-[5-(3-[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyrimidin-6-yl)pyrimidin-2-yl]piperazine-1-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
91% With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate; In 1,4-dioxane; water; at 125℃;Microwave irradiation; INTERMEDIATE 4 fe/t-Butyl 4-r5-(3-{ r2-(difluoromethoxy)phenyllmethyl|-2-methylimidazori,2-al- pyrimidin-6-yl)pyrimidin-2-yllpiperazine- 1 -carboxylate Prepared from Example 2 (80 mg, 0.22 mmol), iert-butyl 4-[5-(4,4,5,5- tetramethyl-l,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine-l-carboxylate (84 mg, 0.22 mmol), sodium carbonate (69 mg, 0.65 mmol) and Pd(dppf)Cl2 (17 mg, 0.022 mmol) in 1,4-dioxane (3 mL) and water (1 mL) according to General Method A. Purification of the crude product by preparative HPLC gave the title compound (110 mg, 91%). LCMS (ES+) 552 (M+H)+, RT 3.26 minutes. GENERAL METHOD A In a 10 mL microwave vial were taken Example 2 (80 mg, 0.22 mmol), the respective boronate acid or ester (1 equivalent) and sodium carbonate (69 mg, 0.65 mmol) in 1,4-dioxane (3 mL) and water (1 mL). The reaction mixture was degassed for 10 minutes and Pd(dppf)Ci2 (17 mg, 0.022 mmol) was added, followed by degassing again for an additional 10 minutes. The reaction mixture was heated at 125C for 1-2 h in a microwave reactor, then diluted with ethyl acetate (-20 mL) and filtered through celite. The organic layer was dried over anhydrous sodium sulphate and concentrated in vacuo. The crude material was then purified by preparative HPLC to give the title compound.
  • 30
  • [ 940284-98-0 ]
  • 5-(2-(benzylthio)-6-bromophenyl)-1H-tetrazole [ No CAS ]
  • [ 76-05-1 ]
  • 4′-((dimethylamino)methyl)-2-(1H-tetrazol-5-yl)-[1,1′-biphenyl]-3-sulfonamide trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
The residue was dissolved in TFA (500 mu) and anisole (7.23 mg, 0.067 mmol) and heated to 45C for 18 hr. The reaction mixture was purified by reverse phase HPLC column (acetonitrile/water/0.05% TFA system) and eluted with 0% to 20% MeCN in water. The solution was concentrated to afford 4'-((dimethylamino)methyl)-2-(lH-tetrazol-5-yl)-[l,l'- biphenyl]-3-sulfonamide,TFA salt. LC-MS: calculated for C16H18N6O2S 358.4; observed m/e: 359.3 (M+H)+; NMR delta (ppm) (MeOH): 8.24 (d, 1H), 7.88 (t, 1H), 7.78 (d, 1H), 7.40 (d, 2H), 7.22 (d, 2H), 4.26 (s, 2H), 2.80 (s, 6H).
  • 31
  • [ 940284-98-0 ]
  • 5-(2-(benzylthio)-6-bromophenyl)-1H-tetrazole [ No CAS ]
  • [ 824-94-2 ]
  • 3-(2-(piperazin-1-yl)pyrimidin-5-yl)-2-(1-(4-methoxybenzyl)-1H-tetrazol-5-yl)benzenesulfonamide [ No CAS ]
  • 3-(2-(piperazin-1-yl)pyrimidin-5-yl)-2-(2-(4-methoxybenzyl)-2H-tetrazol-5-yl)benzenesulfonamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
A microwave reaction vial was charged with tert-butyl 4-(5-(4,4,5,5-tetramethyl- l,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)piperazine-l-carboxylate (259 mg, 0.663 mmol) and a mixture of 3-bromo-2-(l-(4-methoxybenzyl)(lH-tetrazol-5-yl))benzenesulfonamide and 3- bromo-2-(2-(4-methoxybenzyl)(lH-tetrazol-5-yl))benzenesulfonamide (225 mg, 0.530 mmol). EtOH (5303 mu) and potassium phospate tribasic (1 M aq. solution, 1591 mu, 1.591 mmol) were added and the reaction mixture was sparged with 2 for 10 min. 1, l'-bis(di-tert- butylphosphino)ferrocene palladium dichloride (34.6 mg, 0.053 mmol) was added and the reaction vessel was sealed and heated to 100C for 1 hr in a microwave. The crude reaction mixture was diluted with water and EtOAc. The organic was washed with brine, dried over Na2S04, filtered and concentrated. The residue was purified by reverse phase HPLC on a C18 column eluted with 5% to 90% MeCN in water with 0.05% TFA. The solution was concentrated to provide a mixture of 3-(2-(piperazin-l-yl)pyrimidin-5-yl)-2-(l-(and 2-)2-(4-methoxybenzyl)- 2H-tetrazol-5-yl)benzenesulfonamide. LC-MS: calculated for C28H33 9O5S 607.2; observed m/e: 608.6 (M+H)+;
  • 32
  • [ 940284-98-0 ]
  • 5-(2-(benzylthio)-6-bromophenyl)-1H-tetrazole [ No CAS ]
  • 3-(2-(piperazin-1-yl)pyrimidin-5-yl)-2-(2H-tetrazol-5-yl)benzenesulfonamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
The mixture of 3-(2-(piperazin-l-yl)pyrimidin-5-yl)-2-(l-(and 2-)2-(4- methoxybenzyl)-2H-tetrazol-5-yl)benzenesulfonamide was dissolved in TFA (2 mL) and anisole (200 mu) and heated to 45C overnight. Purification by reverse phase HPLC with Phenomenex Polar RP column eluted with 0% to 80% MeCN in water. The solution was lyopholized to provide the title compound. LC-MS: calculated for C15H17 9O2S 387.4; observed m/e: 387.4 (M+H)+; 'H NMR delta (ppm) (DMSO): 8.75 (br s, 1H), 8.05-8.03 (m, 1H), 7.98 (s, 2H), 7.81 (br s, 1H), 7.70-7.69 (m, 1H), 3.90 (t, 2H), 3.17 (t, 2H).
Step C: 5-(2-(Benzylthio)-6-bromophenyl)-1-(4-methoxybenzyl)-1H-tetrazole and 5-(2-(benzylthio)-6-bromophenyl)-2-(4-methoxybenzyl)-1H-tetrazole (0291) To a solution of 5-(2-(benzylthio)-6-bromophenyl)-1H-tetrazole in a mixture of chloroform and water (6 mL and 8 mL, respectively) were added potassium carbonate (1.544 g, 11.17 mmol), tetrabutylammonium chloride (0.311 g, 1.12 mmol) followed by a solution of 1-(chloromethyl)-4-methoxybenzene (1.14 mL, 8.38 mmol) in 2 mL of CHCl3 at 15 C. The resulting mixture was slowly warm to rt, and heated at 50 C. for 3 hr. The reaction mixture was cooled to rt, and transferred to a sep. funnel. The organic layer was separated, dried over MgSO4, filtered and purified using 5 to 80% ethyl acetate in hexanes to provide a mixture of 5-(2-(benzylthio)-6-bromophenyl)-1-(4-methoxybenzyl)-1H-tetrazole and 5-(2-(benzylthio)-6-bromophenyl)-2-(4-methoxybenzyl)-1H-tetrazole. Step D: 3-Bromo-2-(1-(4-methoxybenzyl)-1H-tetrazol-5-yl)benzenesulfonamide and 3-bromo-2-(2-(4-methoxybenzyl)-1H-tetrazol-5-yl)benzenesulfonamide (0292) To a solution of the mixture of 5-(2-(benzylthio)-6-bromophenyl)-1-(4-methoxybenzyl)-1H-tetrazole and 5-(2-(benzylthio)-6-bromophenyl)-2-(4-methoxybenzyl)-1H-tetrazole in DCM (40 mL) was added water (0.251 mL, 13.9 mmol) followed by acetic acid (0.796 ml, 13.91 mmol). The resulting mixture was cooled to 0 C., then a solution of sulfuryl chloride (1.131 mL, 13.91 mmol) in DCM (2 mL) was slowly added. The reaction mixture was slowly warmed to rt, and stirred for 4 hr, and then evaporated to dryness. To this residue was added THF (5 mL) and then a mixture of aqueous ammonium hydroxide and THF (20 mL each) at 0 C. The reaction mixture was slowly warmed to rt and stirred for 1.5 hr. The resulting solution was diluted with ethyl acetate (100 mL), washed with water (50 mL) and brine (50 mL). The organic layer was dried over MgSO4, filtered and purified by column chromatography on silica gel eluted with 10 to 90% ethyl acetate in hexanes to provide mixture of 3-bromo-2-(1-(4-methoxybenzyl)-1H-tetrazol-5-yl)benzenesulfonamide and 3-bromo-2-(2-(4-methoxybenzyl)-1H-tetrazol-5-yl)benzenesulfonamide. Step A: 3-(2-(Piperazin-1-yl)pyrimidin-5-yl)-2-(1-(and 2-)2-(4-methoxybenzyl)-2H-tetrazol-5-yl)benzenesulfonamide (0841) A microwave reaction vial was charged with <strong>[940284-98-0]tert-butyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)piperazine-1-carboxylate</strong> (259 mg, 0.663 mmol) and a mixture of 3-bromo-2-(1-(4-methoxybenzyl)(1H-tetrazol-5-yl))benzenesulfonamide and 3-bromo-2-(2-(4-methoxybenzyl)(1H-tetrazol-5-yl))benzenesulfonamide (225 mg, 0.530 mmol). EtOH (5303 mul) and potassium phosphate tribasic (1 M aq. solution, 1591 muL, 1.591 mmol) were added and the reaction mixture was sparged with N2 for 10 min. 1,1?-bis(di-tert-butylphosphino)ferrocene palladium dichloride (34.6 mg, 0.053 mmol) was added and the reaction vessel was sealed and heated to 100 C. for 1 hr in a microwave. The crude reaction mixture was diluted with water and EtOAc. The organic was washed with brine, dried over Na2SO4, filtered and concentrated. The residue was purified by reverse phase HPLC on a C18 column eluted with 5% to 90% MeCN in water with 0.05% TFA. The solution was concentrated to provide a mixture of 3-(2-(piperazin-1-yl)pyrimidin-5-yl)-2-(1-(and 2-)2-(4-methoxybenzyl)-2H-tetrazol-5-yl)benzenesulfonamide. LC-MS: calculated for C28H33N9O5S 607.2; observed m/e: 608.6 (M+H)+; Step B: 3-(2-(Piperazin-1-yl)pyrimidin-5-yl)-2-(2H-tetrazol-5-yl)benzenesulfonamide (0842) The mixture of 3-(2-(piperazin-1-yl)pyrimidin-5-yl)-2-(1-(and 2-)2-(4-methoxybenzyl)-2H-tetrazol-5-yl)benzenesulfonamide was dissolved in TFA (2 mL) and anisole (200 muL) and heated to 45 C. overnight. Purification by reverse phase HPLC with Phenomenex Polar RP column eluted with 0% to 80% MeCN in water. The solution was lyopholized to provide the title compound. LC-MS: calculated for C15H12N9O2S 387.4; observed m/e: 387.4 (M+H)+; 1HNMR delta (ppm) (DMSO): 8.75 (br s, 1H), 8.05-8.03 (m, 1H), 7.98 (s, 2H), 7.81 (br s, 1H), 7.70-7.69 (m, 1H), 3.90 (t, 2H), 3.17 (t, 2H).
  • 33
  • [ 940284-98-0 ]
  • 3-bromo-N-alpha-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-N-[4-(1H-tetrazol-5-yl)phenyl]-L-phenylalaninamide [ No CAS ]
  • tert-butyl 4-(5-{3-[(2S)-2-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-amino}-3-oxo-3-[4-(1H-tetrazol-5-yl)phenyl]amino}propyl]phenyl}pyrimidin-2-yl)piperazine-1-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
36% With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; In water; dimethyl sulfoxide; at 110℃; for 2h;Microwave irradiation; Example 104A tert-Butyl 4-(5-{3-[(2S)-2-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-amino}-3-oxo-3-[4-(1H-tetrazol-5-yl)phenyl]amino}propyl]phenyl}pyrimidin-2-yl)piperazine-1-carboxylate 3-Bromo-N-alpha-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-N-[4-(1H-tetrazol-5-yl)phenyl]-L-phenylalaninamide (150 mg, 0.24 mmol) and <strong>[940284-98-0]tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine-1-carboxylate</strong> (140 mg, 0.36 mmol) were dissolved in dimethyl sulphoxide (2 ml), and tetrakis(triphenylphosphine)palladium(0) (28 mg, 24 mumol), sodium carbonate (76 mg, 0.72 mmol) and water (0.36 ml, 20 mmol) were added. The reaction mixture was stirred at 110 C. in a microwave (Biotage Initiator) for 120 min, cooled, filtered and purified by chromatography via HPLC (Method 10). This gave 70 mg (36% of theory) of the title compound. LC-MS (Method 4): Rt=1.39 min; MS (ESIpos): m/z=810.5 [M+H]+.
  • 34
  • [ 940284-98-0 ]
  • 3-bromo-N-alpha-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-N-(3-oxo-2,3-dihydro-1H-indazol-6-yl)-L-phenylalaninamide [ No CAS ]
  • tert-butyl 4-[5-(3-{(2S)-2-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]amino}-3-oxo-3-[(3-oxo-2,3-dihydro-1H-indazol-6-yl)amino]propyl}phenyl)pyrimidin-2-yl]piperazine-1-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; In water; dimethyl sulfoxide; at 110℃; for 1.5h;Microwave irradiation; Example 155A tert-Butyl 4-[5-(3-{(2S)-2-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]amino}-3-oxo-3-[(3-oxo-2,3-dihydro-1H-indazol-6-yl)amino]propyl}phenyl)pyrimidin-2-yl]piperazine-1-carboxylate 3-Bromo-N-alpha-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-N-(3-oxo-2,3-dihydro-1H-indazol-6-yl)-L-phenylalaninamide and <strong>[940284-98-0]tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine-1-carboxylate</strong> are dissolved in dimethyl sulphoxide, and tetrakis(triphenylphosphine)palladium(0), sodium carbonate and water are added. The reaction mixture is stirred at 110 C. in a microwave (Biotage Initiator) for 90 min, cooled, filtered and purified chromatographically by HPLC. This gives the title compound.
  • 35
  • [ 940284-98-0 ]
  • 3-bromo-N-alpha-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-L-phenylalaninamide [ No CAS ]
  • tert-butyl 4-[5-(3-{(2S)-2-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]amino}-3-oxo-3-[(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)amino]propyl}phenyl)pyrimidin-2-yl]piperazine-1-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
36% With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; In water; dimethyl sulfoxide; at 110℃; for 1.5h;Microwave irradiation; Example 103A tert-Butyl 4-[5-(3-{(2S)-2-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]amino}-3-oxo-3-[(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)amino]propyl}phenyl)pyrimidin-2-yl]piperazine-1-carboxylate 3-Bromo-N-alpha-[(trans-4-[(tert-butoxycarbonyl)amino]methyl}cyclohexyl)carbonyl]-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-L-phenylalaninamide (150 mg, 0.24 mmol) and <strong>[940284-98-0]tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine-1-carboxylate</strong> (143 mg, 0.37 mmol) were dissolved in dimethyl sulphoxide (2 ml), and tetrakis(triphenylphosphine)palladium(0) (28 mg, 24 mumol), sodium carbonate (76 mg, 0.72 mmol) and water (0.36 ml, 20 mmol) were added. The reaction mixture was stirred at 110 C. in a microwave (Biotage Initiator) for 90 min, cooled, filtered and purified by chromatography via HPLC (Method 10). This gave 70 mg (36% of theory) of the title compound. LC-MS (Method 4): Rt=1.29 min; MS (ESIpos): m/z=798.5 [M+H]+.
 

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