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Chemical Structure| 26510-52-1 Chemical Structure| 26510-52-1

Structure of 26510-52-1

Chemical Structure| 26510-52-1

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Product Details of [ 26510-52-1 ]

CAS No. :26510-52-1
Formula : C10H11NO3
M.W : 193.20
SMILES Code : O=C(OCC)CC(C1=NC=CC=C1)=O
MDL No. :MFCD00094022
InChI Key :FQHXWZMJALFSJJ-UHFFFAOYSA-N
Pubchem ID :2736461

Safety of [ 26510-52-1 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302+H312+H332-H315-H319-H335
Precautionary Statements:P261-P280-P305+P351+P338

Computational Chemistry of [ 26510-52-1 ] Show Less

Physicochemical Properties

Num. heavy atoms 14
Num. arom. heavy atoms 6
Fraction Csp3 0.3
Num. rotatable bonds 5
Num. H-bond acceptors 4.0
Num. H-bond donors 0.0
Molar Refractivity 50.14
TPSA ?

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

56.26 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.53
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

1.26
Log Po/w (WLOGP)?

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

1.22
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.

0.08
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

1.77
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.17

Water Solubility

Log S (ESOL):?

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

-1.82
Solubility 2.93 mg/ml ; 0.0152 mol/l
Class?

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

Very soluble
Log S (Ali)?

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

-2.04
Solubility 1.76 mg/ml ; 0.00912 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

-2.86
Solubility 0.265 mg/ml ; 0.00137 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

Yes
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

No
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

No
Log Kp (skin permeation)?

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

-6.58 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

1.0
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)

1.7

Application In Synthesis of [ 26510-52-1 ]

* 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 [ 26510-52-1 ]

[ 26510-52-1 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 26510-52-1 ]
  • [ 20386-22-5 ]
  • 3-(2-Oxo-pyrrolidin-1-yl-imino)-3-pyridin-2-yl-propionic Acid Ethyl Ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
95% In pyridine; at 20℃; for 16h; Ethyl picolinoylacetate (4.7 g, 24.3 mmol) and the product of Preparation 1 (5.0 g, 36.5 mmol) are mixed in 10 ML of pyridine. The reaction mixture is stirred overnight at RT and then evaporated to a solid mass. The crude mixture is purified by MPLC on silica gel (40% EtOAc/Hexanes) to give the title compound, 6.63 g (95%), as a liquid. MS ES+ m/e 276. 1 (M+1).
  • 2
  • [ 26510-52-1 ]
  • [ 20386-22-5 ]
  • [ 700871-80-3 ]
YieldReaction ConditionsOperation in experiment
98% With pyridine; at 20℃; for 20h; B. Preparation of 3-(2-Oxo-pyrrolidin-l-ylimino)-3-(pyridin-2-yl)-propionic acid ethyl ester; Place l-aminopyrrolidin-2-one hydrochloride (Zubek, A. Z. Chem., 1969, 9(2), 58; 155.6 g, 1.14 mol) in a 3 L flask equipped with mechanical stirrer and nitrogen inlet. Add 3-oxo-3-pyridin-2-yl-propionic acid ethyl ester (Preparation 2, Part A; 200 g, 1.04 mol) and pyridine (400 mL). Stir the reaction mixture at room temperature for 20 h.Dilute the mixture with water (500 mL) and extract with toluene (2 x 500 mL). Combine EPO <DP n="19"/>the organic layers, dry (sodium sulfate), filter, and concentrate in vacuo to yield 280 g (98%) of the subtitled compound as a dark oil. MS (ES) m/z = 276 (M+H).
98% With pyridine; at 20℃; for 20h; Place L-AMINOPYRROLIDIN-2-ONE hydrochloride (Zubek, A. Z. CHEM., 1969, 9 (2), 58; 155.6 g, 1.14 mol) in a 3 L flask equipped with mechanical stirrer and nitrogen inlet. Add 3-oxo-3-pyridin-2-yl-propionic acid ethyl ester (200 g, 1.04 mol) then pyridine (400 mL). Stir the reaction mixture at room temperature for 20 h. Dilute the mixture with water (500 mL), and-extract with toluene (2 x 500 mL). Combine the organic layers, dry (sodium sulfate), filter and concentrate in vacuo to yield the subtitled compound as a dark oil (280 g, 98%). MS ES+ M/E 276 (M+1).
98% In pyridine; at 20℃; for 20h; Place l-aminopyrrolidin-2-one hydrochloride (Zubek, A. Z. Chem., 1969, 9 (2), 58 ; 155. 6 g, 1.14 mol) in a 3 L flask equipped with mechanical stirrer and nitrogen inlet. Add 3-oxo-3-pyridin-2-yl-propionic acid ethyl ester (Preparation 3-A ; 200 g, 1.04 mol) and pyridine (400 mL). Stir the reaction mixture at room temperature for 20 h. Dilute the mixture with water (500 mL) and extract with toluene (2 x 500 mL). Combine the organic layers, dry (sodium sulfate), filter, and concentrate in vacuo to yield 280 g (98%) of the subtitled compound as a dark oil. MS ES+ m/e 276 (M+1).
  • 3
  • [ 26510-52-1 ]
  • [ 4922-98-9 ]
  • 2-phenyl-5-(pyridin-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol [ No CAS ]
YieldReaction ConditionsOperation in experiment
40% With acetic acid; at 115℃; for 12h;Inert atmosphere; (a) Ethyl 3-oxo-3-(pyridin-2-yl)propanoate (500 mg, 2.6 mmol) was taken in AcOH (50 mL) in a 250 mL round bottom flask under N2. To it was added <strong>[4922-98-9]3-phenyl-1H-1,2,4-triazol-5-amine</strong> (497 mg, 3.1 mmol). The reaction mixture was heated at 115 °C for 12 h. The reaction mixture was then evaporated to dryness using toluene as an azeotropic solvent and triturated with diethyl ether. This was finally dried under high vacuum which afforded 66b as a deep brown solid (300 mg, 40percent). This was then used in the next step without any further purification. LCMS(ESI) m/z 288.02 [M-H+]; 57percent (purity).
 

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