Structure of 957346-62-2
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CAS No. : | 957346-62-2 |
Formula : | C4H2BrNO2S |
M.W : | 208.03 |
SMILES Code : | O=C(C1=NC=C(Br)S1)O |
MDL No. : | MFCD11521568 |
InChI Key : | BQRYPTVDLJGHAU-UHFFFAOYSA-N |
Pubchem ID : | 45480406 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H332-H335 |
Precautionary Statements: | P261-P280-P305+P351+P338 |
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 |
78.43 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.05 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.84 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.6 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.1 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.27 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.37 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.63 |
Solubility | 0.483 mg/ml ; 0.00232 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.11 |
Solubility | 0.162 mg/ml ; 0.000781 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.53 |
Solubility | 6.2 mg/ml ; 0.0298 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) |
No |
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 |
-6.26 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 |
1.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.56 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
0.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
2.4 |
* 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 |
---|---|---|
16% | i) Thiazole-2-carboxylic acid (1.60 g, 12.4 mmol) was added to a solution of lithium diisopropylamine (1 M in THF/heptane/ethylbenzene, 26 mmol, 26 mL) in dry THE (100 mL) at -78 C and the RM was stirred for 30 mi Tetrabromomethane (4.52 g, 13.6 mmol) was added and the RM was stirred for 2 h. The reactionRM was quenched by adding water (30 mL). The RM was allowed to reach RT and diluted by adding an aqueous saturated solution of NaHCO3 (50 mL). The RM was filtered through a pad of celite and extracted with EtOAc (50 mL). The organic layer was discarded and the aqueous layer acidified using a 1 N solution of HCI until pH 3-4. The solution was then extracted with EtOAc (3x 30 mL). The combined organic layer was dried over Na2SO4 and concentrated in vacuo to leave INT-18A (0.420 g, 2.02 mmol,16%). LCMS: caic. for [M+H]*=207.90, found 208.0. | |
16% | Thiazole-2-carboxylic acid (1.60 g, 12.4 mmol) was added to a solution of LDA (1 M in THF/heptane/ethylbenzene, 26.0 mmol, 26 mL) in dry THE (100 mL) at-78 C and the mixture was stirred for 30 mm.CBr4 (4.52 g, 13.6 mmol) was added and the reaction was stirred for 2 h. The RM was quenched by adding water (30 mL). The mixture was allowed to reach rt and diluted by adding an aqueous saturated solution of NaHCO3 (50 mL). The mixture was filtered through a pad of Celite and extracted with EtOAC (50 mL). The organic layer was discarded and the aqueous layer acidified using a 1 M solution of HCIuntil pH acidic. The solution was then extracted with EtOAc (3x 30 mL). The combined organic layer was dried over Na2SO4 and concentrated in vacuo to leave 5-bromo<strong>[14190-59-1]thiazole-2-carboxylic acid</strong> (0.42 g, 2.0 mmol, 16%). LCMS: cal for [M+H] = 207.90, fd 208.0. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In N,N-dimethyl-formamide; at 20℃; for 1h;Inert atmosphere; | Into a 100 mL round-bottom flask was placed 5-bromothiazole-2-carboxylic acid (300 mg, 1.41 mmol), N,N-dimethylformamide (5 mL), tert-butyl N-[(trans)-3- aminocyclobutyl]carbamate (270 mg, 1.42 mmol), N,N-diisopropylethylamine (560 mg, 4.33 mmol) and HATU (661 mg, 1.74 mmol). The resulting solution was stirred for 1 h at room temperature. The reaction mixture was poured into water (5 mL) and then extracted with ethyl acetate (3 x 10 mL). The organic layers were combined, dried over anhydrous sodium sulfate, filtered and concentrated under vacuum. The residue was purified by prep-TLC (eluting with 1 : 1 ethyl acetate/petroleum ether) to afford tert-butyl ((trans)-3-(5-bromothiazole-2- carboxamido)cyclobutyl)carbamate as a yellow solid. LC-MS (ESI) m/z 320.0, 322.0 [M+H-tBu]+ |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
513 mg | With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In dichloromethane; for 1h; | To the solution of 5-bromothiazole-2-carboxylic acid (scheme 8-33 compound S1, 458 mg, 2.2mmol) and <strong>[140645-24-5]tert-butyl (S)-3-(aminomethyl)piperidine-1-carboxylate</strong> (scheme 8-33 compound S2, 429 mg, 2.0mmol) in DCM (15.0 mL) at 0 C, HATU (912 mg, 2.4mmol) was added, followed by addition of DIEA (3.6mmol). The mixture was stirred for 1 h. The volatiles were evaporated under reduced pressure. The residue was diluted with ethyl acetate (60mL) and washed with saturated NaHCO3, water and brine. The organic solution was dried over MgSO4. The solution was filtered and the filtrate was concentrated. The remaining material was purified to afford 513 mg of title product. LC (method A): tR = 2.30 min. LC/MS (EI) m/z: [M + H]+ 404.06, 406.09. |
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