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Chemical Structure| 88982-82-5 Chemical Structure| 88982-82-5
Chemical Structure| 88982-82-5
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Product Details of [ 88982-82-5 ]

CAS No. :88982-82-5
Formula : C4H2BrNO2S
M.W : 208.03
SMILES Code : O=C(C1=NC(Br)=CS1)O
MDL No. :MFCD09701413
Boiling Point : No data available
InChI Key :AYUAEJPYEJEHJN-UHFFFAOYSA-N
Pubchem ID :15122065

Safety of [ 88982-82-5 ]

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

Calculated chemistry of [ 88982-82-5 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 5
Fraction Csp3 0.0
Num. rotatable bonds 1
Num. H-bond acceptors 3.0
Num. H-bond donors 1.0
Molar Refractivity 36.77
TPSA ?

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

78.43 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.12
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

1.84
Log Po/w (WLOGP)?

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

1.6
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.

0.1
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

1.39

Water Solubility

Log S (ESOL):?

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

-2.63
Solubility 0.483 mg/ml ; 0.00232 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.

-3.11
Solubility 0.162 mg/ml ; 0.000781 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

-1.53
Solubility 6.2 mg/ml ; 0.0298 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

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.

-6.26 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.

0.56

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)

2.52

Application In Synthesis of [ 88982-82-5 ]

* 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 [ 88982-82-5 ]

[ 88982-82-5 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 49851-36-7 ]
  • [ 88982-82-5 ]
  • methyl 2-(2-(4-bromothiazole-2-carboxamido)phenyl)acetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
To a suspension of 4-bromothiazole-2-carboxylic acid (CAS 88982-82-5) (0.1 12 g, 0.538 mmol) in DCM (5.38 mL) and DMF (8.34 mu, 0.108 mmol) was added oxalyl chloride (0.059 mL, 0.67 mmol) and this was stirred at room temperature. After 30 minutes the reaction was concentrated. The solid was dissolved in DCM (5.38 mL), and methyl 2-(2- aminophenyl)acetate hydrochloride (CAS 35613-44-6) (0.089 g, 0.538 mmol) and DIPEA (0.188 mL, 1 .077 mmol) were added and the reaction was stirred at room temperature. After 5 minutes the reaction was partially concentrated and then purified directly by flash chromatography (0-50% EtOAc: Heptanes) to provide the title compound. MS (ESI-) m/z 353.1 , 355.1 (M-H).
  • 2
  • [ 1597-32-6 ]
  • [ 88982-82-5 ]
  • 4-bromo-N-(6-fluoropyridin-2-yl)thiazole-2-carboxamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
43% To asolution of isobutyl chloroformate (10.0 µL, 0.08 mmol) in THF (4.0 mL) at -40 C, a mixture of 4-bromo-1,3-thiazole 2-carboxylic acid 11(16.0 mg, 0.08 mmol) and N-methylmorpholine(17.0 µL, 0.15 mmol) in THF (1.00 mL) was added slowly. The resulting mixture was stirred at - 5 C for 30 minutes and a solution of 2-amino 6-bromopyridine (65.0 mg, 0.58 mmol) in THF (2.00 mL) was added. This solution was vigorously stirred at room temperature overnight and then concentrated under reduced pressure, extracted with water/ethyl acetate. Thecombined organic fractions was dried over Na2SO4, concentrated under reduced pressure and purified by column chromatography on silica gel (hexane/ethyl acetate = 10:1) to afford 4-bromo-N-(6-fluoropyridin-2-yl)thiazole-2-carboxamide6bg (10.0 mg, 43%) as a white solid:1H-NMR (400MHz, CDCl3) δ 9.48(s, 1H), 8.17-8.15 (d, J = 8 Hz, 1H),7.89-7.83 (dd, J = 16, 8 Hz, 1H),7.571-7.569 (d, J = 0.8 Hz, 1H)6.75-6.73 (dd, J = 8, 1.6 Hz, 1H).13C-NMR (100 MHz, CDCl3) δ 162.7, 160.9, 156.4, 148.6, 143.44, 143.37,126.3, 124.4, 110.66, 110.62, 105.55, 105.20. LC/MS (ESI-) 299.9 (M-H)+.
43% To 4.0 mL of tetrahydrofuran (THF) is added isobutyl chloroformate (10.0 [mu] L, 0.08 mmol) were added and cooled to -40 [deg.] C.To 1.0 mL of tetrahydrofuran (THF) was added 4-bromothiazole-2-carboxylic acid(16.0 mg, 0.08 mmol) and N-methylmorpholine (17.0 [mu] L, 0.15 mmol)Was slowly added dropwise to the reaction solution, followed by stirring at -5 DEG C for 30 minutes.To 2.0 mL of tetrahydrofuran (THF) was added2-Amino-6-fluoropyridine (65.0 mg, 0.58 mmol)Was added, and the mixture was stirred at room temperature for 12 hours. After completion of the reaction, water was added, and the mixture was extracted with ethyl acetate, and the organic layer was separated by distillation under reduced pressure. The organic layer was dried over anhydrous Na2SO4 and purified by column chromatography to obtain 10.0 mg(Yield: 43%).
  • 3
  • [ 80500-27-2 ]
  • [ 88982-82-5 ]
  • 4-(3-nitro-4-methylphenyl)thiazole-2-carboxylic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
80% With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In 1,2-dimethoxyethane; water; at 100℃; for 24h;Inert atmosphere; General procedure: 4-Bromothiazole-2-carboxylic acid (compound 1, 1 eq) and boronic acid derivatives (compound 2a-g, 1.5 eq) were suspended in dimethoxy ethane (DME)/H2O (16 volume, 3:1). Then, Pd(PPh3)4 (0.05 eq) and K2CO3 (1.5 eq) were added to the suspension. The obtained mixture was heated to about 100 C and stirred for about 24 h under nitrogen atmosphere. The solution was cooled to room temperature and acidified with concentrated hydrochloric acid. Then, the precipitate was filtered and washed with water. The obtained wet cake was redissolved in dichloromethane. The organic phase was washed with saturated sodium bicarbonate (NaHCO3) aqueous solution for 30 min. Then, the aqueous phase was acidified again with concentrated hydrochloric acid, and the precipitate was filtered to obtained compounds 3a-g.
 

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