Structure of 141699-58-3
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 141699-58-3 |
Formula : | C9H17NO5S |
M.W : | 251.30 |
SMILES Code : | CC(C)(C)OC(=O)N1CC(C1)OS(C)(=O)=O |
MDL No. : | MFCD05664832 |
InChI Key : | XXBDTKYKFFIAEY-UHFFFAOYSA-N |
Pubchem ID : | 10753243 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H317-H319 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 16 |
Num. arom. heavy atoms | 0 |
Fraction Csp3 | 0.89 |
Num. rotatable bonds | 5 |
Num. H-bond acceptors | 5.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 61.83 |
TPSA ? Topological Polar Surface Area: Calculated from |
81.29 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.56 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
0.37 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.28 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.34 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
-0.53 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
0.8 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.3 |
Solubility | 12.6 mg/ml ; 0.05 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.64 |
Solubility | 5.73 mg/ml ; 0.0228 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-0.77 |
Solubility | 42.3 mg/ml ; 0.168 mol/l |
Class? Solubility class: Log S scale |
Soluble |
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) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
Yes |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-7.57 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
0.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
1.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<0.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
2.82 |
* 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.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
NaH (60% in mineral oil, 222 mg, 5.6 mmol) is added portionwise to a stirred solution of A- (4,4,5,5-Tetramethyl-[1 ,3,2]dioxaborolan-2-yl)-1H-pyrazole (1.10 g, 5.56 mmol) in DMF (20 ml). The resulting mixture is stirred for 1 h at O0C and then allowed to warn to RT. A solution of 3-Methanesulfonyloxy-azetidine-i-carboxylic acid tert-butyl ester (as obtained in <n="61"/>preparation 80, 1.39 g, 5.56 mmol) in DMF (3 ml) is then added dropwise. After complete addition, the reaction mixture is heated at 95C for 5h. The reaction is quenched with water and extracted with EtOAc several times. The combined organic layers are washed with brine, dried over Na2SO4, filtered and the filtrate is concentrated in vacuo. The residue is purified by chromatography on a 40 g silica gel column on a Combiflash Companion (Isco Inc.) apparatus ( gradient CH2CI2: TBDME from 1 :0 => 0:1 ) to afford the title compound as a colorless foam, R1 = 1.200 min (Acquity UPLC BEH C18, 2.1x50mm, 1.7 micron, detection 215nM, 0.1 min 2% CH3CN in H2O , 2% to 100% CH3CN in H2O in 1.5min, 0.4 min 100% CH3CN + 0.1% TFA, flow rate 1.Oml/min); MS: 350 (M+1)+ . | ||
Stage 146.3 <n="119"/>; 3-[4-(4,4,5,5-Tetramethyl-[1 ,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-azetidine-1-carboxylic acid tert-butyl ester; The title compound was prepared as described in published patent application WO 2008148867: To a solution of 1-BOC-3-hydroxyazetidine (1.0 g, 5.77 mmol), 4-dimethylaminopyridine (7 mg, 0.058 mmol) and triethylamine (0.880 ml_, 6.35 mmol) in DCM (15 mL) cooled at 0 0C was added dropwise methanesulfonyl chloride (0.45 mL, 5.77 mmol). The RM was stirred 18 h at rt, diluted with DCM, washed with a solution of saturated NaHCO3 and brine. The organic layer was dried over Na2SO4, filtered and the solvent was removed under reduced pressure. 3-Methanesulfonyloxy-azetidine-i-carboxylic acid tert-butyl ester obtained as an oil was used directly in the next step.To a solution of 4-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-1H-pyrazole (1.4 g 5.57 mmol) in DMF (20 mL) stirred at 0 0C was added sodium hydride (55 % in oil, 0.243 g, 5.57 mmol). After addition the mixture was stirred 1 h at rt, a solution of the above obtained 3- methanesulfonyloxy-azetidine-1-carboxylic acid tert-butyl ester (1.4 g, 5.57 mmol) in DMF (3 mL) was added. The RM was stirred 30 min at rt, and then 3 h at 95 0C. After cooling at rt the mixture was poured in ice water and extracted with EtOAc. The combined organic phases were washed with a solution of saturated NaHCO3 and brine. The organic layer was dried over Na2SO4, filtered and the solvent was removed under reduced pressure. The residue was purified by flash chromatography (with heptane and EtOAc as eluants) to afford the title compound as an oil (tR 4.33 min (conditions 3), MH+ = 350.1) | ||
With caesium carbonate; In N,N-dimethyl-formamide; at 100℃; for 14h;Inert atmosphere; | A solution of 4-(4.4.5.5-tctramcthyl- 1.3.2-dioxaborolan-2-yl)- 1H-pyrazolc (1.24 g, 6.37 mmol), tert- butyl 3-[(methanesulfonyl)oxy]azetidine-l-carboxylate (1.60 g, 6.37 mmol) and caesium carbonate (3.32 g, 10.2 mmol) in N.N-d i m c th y 1 fo rm am i dc (15 ml) was stirred at 100 C under argon for 14 h. The reaction mixture is mixed with water and filtered. The filtrate was purified directly by HPLC to yield 513 mg (87 % purity, 20 % yield) of the title compound.LC-MS (method 2): Rt= 1.12 min; MS (ESIpos): m/z = 350 [M+H]+-NMR (600 MHz, DMSO-d6) d [ppm]: 1.25 (s, 12H), 1.40 (s, 9H), 4.06 - 4.15 (m, 2H), 4.22 - 4.31 (m, 2H), 5.19 - 5.25 (m, 1H), 7.71 (s, 1H), 8.07 (s, 1H). |
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