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Chemical Structure| 56267-50-6 Chemical Structure| 56267-50-6
Chemical Structure| 56267-50-6

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CAS No.: 56267-50-6

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Product Details of [ 56267-50-6 ]

CAS No. :56267-50-6
Formula : C9H13NO2S
M.W : 199.27
SMILES Code : O=C(OC(C)(C)C)NC1=CC=CS1
MDL No. :MFCD02677742
Boiling Point : No data available
InChI Key :QTXXTRMGTVEBIN-UHFFFAOYSA-N
Pubchem ID :319413

Safety of [ 56267-50-6 ]

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

Calculated chemistry of [ 56267-50-6 ] Show Less

Physicochemical Properties

Num. heavy atoms 13
Num. arom. heavy atoms 5
Fraction Csp3 0.44
Num. rotatable bonds 4
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 54.56
TPSA ?

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

66.57 ?2

Lipophilicity

Log Po/w (iLOGP)?

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

2.42
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

2.49
Log Po/w (WLOGP)?

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

2.9
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.

1.43
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

2.27
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.3

Water Solubility

Log S (ESOL):?

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

-2.66
Solubility 0.431 mg/ml ; 0.00216 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.

-3.53
Solubility 0.0584 mg/ml ; 0.000293 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

-2.62
Solubility 0.476 mg/ml ; 0.00239 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

 Yes
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

 Yes
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.

-5.75 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

0.0 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)

 2.65

Application In Synthesis [ 56267-50-6 ]

* 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.

  • Upstream synthesis route of [ 56267-50-6 ]
  • Downstream synthetic route of [ 56267-50-6 ]

[ 56267-50-6 ] Synthesis Path-Upstream   1~6

  • 1
  • [ 527-72-0 ]
  • [ 75-65-0 ]
  • [ 56267-50-6 ]
YieldReaction ConditionsOperation in experiment
69% for 5 h; Heating / reflux A solution of thiophene2-carboxylic acid (1.00 g, 7.8 mmol), diphenylphosphoryl azide (2.15 g, 7.80 mmol) and triethylamine (1.1 mL, 7.8 mmol) in tert-butanol (20 mL) was heated at reflux for 5 hours, at which time thin layer chromatography (DCM/Hexanes) indicates the reaction is complete. The reaction mixture was cooled to room temperature, poured into water and extracted with diethyl ether (3.x.). The combined ether extracts were washed with brine, dried over anhydrous sodium sulfate, and then concentrated to afford a beige solid. Purification by column chromatography (SiO2, DCM/Hexanes) afforded compound 113 as a white solid 1.07 g (69percent). 1H-NMR (400 MHz, DMSO-d6)δ 6.87(dd, 1H), 6.77 (m, 1H), 6.5 (dd, 1H), 1.46 (s, 9H).
69% for 5 h; Heating / reflux Example 113; A solution of thiophene2-carboxylic acid (1.00 g, 7.8 mmol), diphenylphosphoryl azide (2.15 g, 7.80 mmol) and triethylamine (1.1 mL, 7.8 mmol) in tert-butanol (20 mL) was heated at reflux for 5 hours, at which time thin layer chromatography (DCM/Hexanes) indicates the reaction is complete. The reaction mixture was cooled to room temperature, poured into water and extracted with diethyl ether (3.x.). The combined ether extracts were washed with brine, dried over anhydrous sodium sulfate, and then concentrated to afford a beige solid. Purification by column chromatography (SiO2, DCM/Hexanes) afforded compound 113 as a white solid 1.07 g (69percent). 1H-NMR (400 MHz, DMSO-d6)δ 6.87 (dd, 1H), 6.77 (m, 1H), 6.5 (dd, 1H), 1.46 (s, 9H).
50% at 90℃; for 4 h; To a solution of thiophenecarboxylic acid (0.5 g, 3.90 mmol) in tBuOH (10 ml) was added Et3N (0.571 ml, 4.10 mmol) and DPPA (0.883 ml, 4.10 mmol). The solution was heated at 90 °C for 4 hours. The reaction mixture was cooled to RT and the solvent was removed in vacuo. The residue was treated with benzene and then the solution was washed with 5percent citric acid, and sat'd NaHCO3. Solid was filtered off and the filtrate was washed with brine. The organic layer was dried (MgSO4), concentrated in vacuo and the residue was purified by silica gel column chromatography (EtOAc/hexanes) to obtain tert-butyl thiophen-2-ylcarbamate (0.39 g, 50percent yield). 1H NMR (400 MHz, DMSO-d6): δ 10.4 (brs, 1H), 6.84 (dd, J = 1.6, and 5.2 Hz, 1H), 6.75 (dd, J = 4.0, and 5.6 Hz, 1H), 6.48 (dd, J= 1.6, and 4.0 Hz, 2H), 1.45 (s, 9H); MS (ESI) m/z: 222.0 (M+22+H+).
References: [1] Journal of Medicinal Chemistry, 1991, vol. 34, # 5, p. 1594 - 1605.
[2] Patent: US2007/105864, 2007, A1, . Location in patent: Page/Page column 151.
[3] Patent: US2007/117804, 2007, A1, . Location in patent: Page/Page column 77.
[4] Journal of Medicinal Chemistry, 2002, vol. 45, # 20, p. 4513 - 4523.
[5] Journal of Medicinal Chemistry, 2007, vol. 50, # 20, p. 4898 - 4908.
[6] Patent: WO2010/51373, 2010, A1, . Location in patent: Page/Page column 100.
[7] Bioorganic and Medicinal Chemistry Letters, 2006, vol. 16, # 21, p. 5567 - 5571.
  • 2
  • [ 616-46-6 ]
  • [ 24424-99-5 ]
  • [ 56267-50-6 ]
References: [1] Organic Letters, 2005, vol. 7, # 22, p. 5087 - 5090.
[2] Synthesis, 2006, # 19, p. 3316 - 3340.
  • 3
  • [ 24424-99-5 ]
  • [ 56267-50-6 ]
References: [1] Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry, 1987, vol. 41, # 1, p. 18 - 23.
[2] Journal of Organic Chemistry, 2018, vol. 83, # 15, p. 8233 - 8240.
  • 4
  • [ 110969-42-1 ]
  • [ 56267-50-6 ]
References: [1] Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry, 1987, vol. 41, # 1, p. 18 - 23.
  • 5
  • [ 36016-38-3 ]
  • [ 56267-50-6 ]
References: [1] Journal of Organic Chemistry, 2018, vol. 83, # 15, p. 8233 - 8240.
  • 6
  • [ 1003-09-4 ]
  • [ 56267-50-6 ]
References: [1] Bulletin de la Societe Chimique de France, 1994, vol. 131, # 4, p. 429 - 433.
 

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