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Structure of 59340-27-1
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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. : | 59340-27-1 |
Formula : | C6H9ClN2O2S |
M.W : | 208.67 |
SMILES Code : | O=S(C1=C(C)N(C)N=C1C)(Cl)=O |
MDL No. : | MFCD02180944 |
InChI Key : | QLSAMUCENQZGHN-UHFFFAOYSA-N |
Pubchem ID : | 2737340 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H314 |
Precautionary Statements: | P280-P305+P351+P338-P310 |
Class: | 8 |
UN#: | 3261 |
Packing Group: | Ⅲ |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 5 |
Fraction Csp3 | 0.5 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 46.5 |
TPSA ? Topological Polar Surface Area: Calculated from |
60.34 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.71 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.06 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.05 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.24 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
0.76 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.16 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.04 |
Solubility | 1.89 mg/ml ; 0.00904 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.92 |
Solubility | 2.52 mg/ml ; 0.0121 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.12 |
Solubility | 1.59 mg/ml ; 0.0076 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 |
Yes |
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 |
-6.82 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 |
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) |
1.97 |
* 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 |
---|---|---|
With triethylamine; at 20℃; | Compound (CC) (23.6 mg, 0.034 mmol) was mixed with TFA/DCM (80%) and was stirred at room temperature for 1 hr at which time the mixture was concentrated and placed under high vacuum for 2 hr giving the TFA salt of the tetra-peptide amine. To a DCM solution of the TFA salt was added <strong>[59340-27-1]1,3,5-trimethyl-1-H-pyrazole-4-sulfonyl chloride</strong> (1.2 eq., 0.041 mmol, 8.5 mg) and TEA (4 eq., 0.136 mmol, 26 muL) and the mixture was stirred at room temperature overnight. The crude mixture was concentrated to dryness and the residue was taken up in EtOAc. The organic layer was washed with water and brine, dried over anhydrous MgSO4, and concentrated to an oil that was purified by flash chromatography to afford compound 8 (2 mg) (IC50 20S CT-L <100 nM, Cell-Based CT-L <100 nM) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
40% | With triethylamine; In dichloromethane; at 20℃; | (R)-1,3,5-Trimethyl-1H-pyrazole-4-sulfonic acid [1-(5'-fluoro-2'-methoxy-biphenyl-4-yl)-ethyl]-amide Palladium acetate (56 mg, 0.25 mmol) was added to a mixture of 5-fluoro-2-methoxyphenylboronic acid (850 mg, 5.0 mmol) and (R)-1-(4-bromophenyl)ethylamine (500 mg, 2.5 mmol) in water (20 ml). This mixture was heated for 5 min at 200 C. in a Smithcreator microwave oven and then diluted with methanol (200 ml). The mixture was purified on a SCX column (20 g) using 2M ammonia in methanol to elute the intermediate amine. Evaporation of solvents under reduced pressure gave (R)-1-(5'-fluoro-2'-methoxy-biphenyl-4-yl)-ethylamine as a gum (580 mg, 2.37 mmol, 96.6%). Triethylamine (41.1 mul, 0.295 mmol) and <strong>[59340-27-1]1,3,5-trimethyl-1H-pyrazole-4-sulfonyl chloride</strong> (20.5 mg, 0.0984 mmol) were added to a solution of (R)-1-(5'-fluoro-2'-methoxy-biphenyl-4-yl)-ethylamine (20 mg, 0.082 mmol) in dichloromethane (1 ml) and the resulting solution shaken at room temperature overnight. The reaction mixture was washed with saturated sodium bicarbonate solution (500 mul), the dichloromethane layer separated, dried over magnesium sulfate and the solvent evaporated. Purification by preparatory LCMS and removal of solvent under reduced pressure gave the title compound (13.8 mg, 0.033 mmol, 40%): 1H NMR (400 MHz, CDCl3): delta7.37, 7.14 (a/b, 4H), 7.02-6.87 (m, 3H), 4.68 (m, 1H), 4.48 (t, 1H), 3.78 (s, 3H), 3.55(s, 3H), 2.35(s, 3H), 2.22(s, 3H), 1.50(d, 3H) ppm; MS (ESI) m/z: 417 [M+H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
31% | With pyridine; at 20℃; | 2-(4-Trifluoromethoxy-phenyl)-2,8-diaza-spiro[4.5]decan-l-one acetic acid salt (0.02 g, 0.05 mmol) was dissolved in pyridine (0.5 ml) at room temperature and 1,3,5-trimethyl- lH-pyrazole-4-sulfonyl chloride (0.013 g, 0.06 mmol) was added and the mixture was stirred overnight at room temperature. The reaction mixture was concentrated in vacuo and the resulting residue was dissolved in AcOEt and washed with 0. IM HCl and brine. The organic layer was dried (Na2SO4), filtered and evaporated under reduced pressure to give a crude residue which was purified by flash column chromatography (4:1 AcOEt/heptane) to yield 2-(4-trifluoromethoxy-phenyl)-8-(l,3,5-trimethyl-lH-pyrazole- 4-sulfonyl)-2,8-diaza-spiro[4.5]decan-l-onel)-2,8-diaza-spiro[4.5]decan-l-one as an off- white solid (0.09g, 31%). MS (ESI): 487.3(MH+) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine; at 20℃; for 16h; | E. General coupling protocol for the synthesis of compounds with general structure (249)Exemplified by the synthesis of N-((ls,4s)-4-fluoro-4-(3-(trifluoromethyl)phi sulfonyl)cyclohexyl)- 1 , 3, 5-trimethyl- lH-pyrazole-4- sulfonamide (251) [00330] Cis-4-fluoro-4-(3-(trifluoromethyl)phenylsulfonyl)cyclohexanamine (110) (75 mg, 0.21 mmol), TEA (111 mu,, 0.8 mmol), and l,3,5-trimethyl-lH-pyrazole-4- sulfonyl chloride (250) (0.21 mmol) were stirred at room temperature for 16 hours. The reaction was concentrated in vacuo and the crude material purified by reverse phase HPLC to give N-(Cis-4-fluoro-4-(3-(trifluoromethyl)phenylsulfonyl)cyclohexyl- 1 ,3,5-trimethyl- lH-pyrazole-4- sulfonamide (251). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
63% | With triethylamine; In tetrahydrofuran; at 20 - 40℃;Inert atmosphere; | Example N[0173] 1,3,5-Trimethyl-1 H-pyrazole-4-sulfonic acid [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]-amide 33 mg of <strong>[59340-27-1]1,3,5-trimethyl-1H-pyrazole-4-sulfonic acid chloride</strong> (0.16 mmol, 1.2 eq) were weighted into a reaction tube and dissolved in dry tetrahydrofuran (1 ml). 44 mg of [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]amine (0.13 mmol) in dry tetrahydrofuran (3 ml) and 30 mg triethylamine (0.3 mmol, 2.3 eq) were added, the tube was flushed with argon, closed with a screw cap, and shaken over night at 40 ???C. 0.008 ml of tris-(2-aminoethyl)amine in 0.5 ml tetrahydrofuran were added, the mixture was shaken for 2 h at room temperature and then evaporated. The residue was dissolved in 2 ml of a mixture of dimethylformamide/trifluoroacetic acid (19:1), filtered, and submitted to preparative reversed phase HPLC purification (water/acetonitrile gradient (+ 0.1% trifluoroacetic acid)). 1,3,5-Trimethyl-1 H-pyrazole-4-sulfonic acid [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]-amide was obtained as a white solid (42 mg, 63%). |
63% | Example N 1,3,5-Trimethyl-1H-pyrazole-4-sulfonic acid [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]-amide 33 mg of <strong>[59340-27-1]1,3,5-trimethyl-1H-pyrazole-4-sulfonic acid chloride</strong> (0.16 mmol, 1.2 eq) were weighted into a reaction tube and dissolved in dry tetrahydrofuran (1 ml). 44 mg of [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]amine (0.13 mmol) in dry tetrahydrofuran (3 ml) and 30 mg triethylamine (0.3 mmol, 2.3 eq) were added, the tube was flushed with argon, closed with a screw cap, and shaken over night at 40 C. 0.008 ml of tris-(2-aminoethyl)amine in 0.5 ml tetrahydrofuran were added, the mixture was shaken for 2 h at room temperature and then evaporated. The residue was dissolved in 2 ml of a mixture of dimethylformamide/trifluoroacetic acid (19:1), filtered, and submitted to preparative reversed phase HPLC purification (water/acetonitrile gradient (+0.1% trifluoroacetic acid)). 1,3,5-Trimethyl-1H-pyrazole-4-sulfonic acid [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]-amide was obtained as a white solid (42 mg, 63%). | |
63% | Example N1 ,3,5-Trimethyl-1 H-pyrazole-4-sulfonic acid [2-(2-phenyl-chroman-6-yloxy)-thiazol-5- ylmethyl]-amide33 mg of 1 ,3,5-trimethyl-1 H-pyrazole-4-sulfonic acid chloride (0.16 mmol, 1 .2 eq) were weighted into a reaction tube and dissolved in dry tetrahydrofuran (1 ml). 44 mg of [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]amine (0.13 mmol) in dry tetrahydrofuran (3 ml) and 30 mg triethylamine (0.3 mmol, 2.3 eq) were added, the tube was flushed with argon, closed with a screw cap, and shaken over night at 40 C. 0.008 ml of tris-(2-aminoethyl)amine in 0.5 ml tetrahydrofuran were added, the mixture was shaken for 2 h at room temperature and then evaporated. The residue was dissolved in 2 ml of a mixture of dimethylformamide/trifluoroacetic acid (19: 1 ), filtered, and submitted to preparative reversed phase HPLC purification(water/acetonitrile gradient (+ 0.1 % trifluoroacetic acid)). 1 ,3,5-Trimethyl-1 H- pyrazole-4-sulfonic acid [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]-amide was obtained as a white solid (42 mg, 63%). |
63% | 33 mg of 1 ,3,5-trimethyl-1 H-pyrazole-4-sulfonic acid chloride (0.16 mmol, 1 .2 eq) were weighted into a reaction tube and dissolved in dry tetrahydrofuran (1 ml). 44 mg of [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]amine (0.13 mmol) in dry tetrahydrofuran (3 ml) and 30 mg triethylamine (0.3 mmol, 2.3 eq) were added, the tube was flushed with argon, closed with a screw cap, and shaken over night at 40C. 0.008 ml of tris-(2-aminoethyl)amine in 0.5 ml tetrahydrofuran were added, the mixture was shaken for 2 h at room temperature and then evaporated. The residue was dissolved in 2 ml of a mixture of dimethylformamide/trifluoroacetic acid (19:1 ), filtered, and submitted to preparative reversed phase HPLC purification(water/acetonitrile gradient (+ 0.1 % trifluoroacetic acid)). 1 ,3,5-Trimethyl-1 H- pyrazole-4-sulfonic acid [2-(2-phenyl-chroman-6-yloxy)-thiazol-5-ylmethyl]-amide was obtained as a white solid (42 mg, 63%). | |
63% | A solution of 33 mg of <strong>[59340-27-1]1,3,5-trimethyl-1H-pyrazole-4-sulfonyl chloride</strong> (0.16 mmol, 1.2 equivalents) was weighed into a reaction tube and dissolved in anhydrous tetrahydrofuran (1 ml).A mixture of 44 mg of [2- (2-phenyl-chroman-6-yloxy) -thiazol-5-ylmethyl] amine (0.13 mmol) in anhydrous tetrahydrofuran (3 ml) and 30 mg of triethylamine Mmol, 2.3 equivalents),The tube was purged with argon, closed with a nut and shaken overnight at 40 C.0.008 ml of tris (2-aminoethyl) amine in 0.5 ml of tetrahydrofuran was added and the mixture was shaken at room temperature for 2 h and then evaporated. The residue was dissolved in 2 ml of a mixture of dimethylformamide / trifluoroacetic acid (19: 1), filtered and subjected to preparative reverse phase HPLC purification (water / acetonitrile gradient (+ 0.1% trifluoroacetic acid)).To give 1,3,5-trimethyl-1H-pyrazole-4-sulfonic acid [2- (2-phenyl-chroman-6-yloxy) -thiazol-5-ylmethyl] White solid (42 mg, 63%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | With triethylamine; In dichloromethane; at 20℃; for 2h; | Example 1 4-(3,4-Dichlorophenoxy)-1-((1,3,5-trimethyl-1H-pyrazol-4-yl)sulfonyl)piperidine 4-(3,4-Dichlorophenoxy)piperidine hydrochloride (143 mg, 0.508 mmol) (prepared as described for 4-(4-chloro-3-fluorophenoxy)piperidine hydrochloride (Intermediate 10) using 3,4-dichlorophenol) and triethylamine (142 muL, 1.16 mmol) in dichloromethane (10 mL) was treated with <strong>[59340-27-1]1,3,5-trimethyl-1H-pyrazole-4-sulfonyl chloride</strong> (106 mg, 0.508 mmol). The reaction was stirred for 2 hours at room temperature. The crude reaction was washed with 1N hydrochloric acid, filtered through a phase separation cartridge and concentrated in vacuo. The crude product was purified by silica column chromatography eluting with petrol/ethyl acetate to give the title compound. (160 mg, 76%) 1H NMR (400 MHz, DMSO-d6) delta ppm 1.62-1.75 (m, 2H) 2.00-2.15 (m, 2H) 2.30 (s, 3H) 2.45 (s, 3H) 2.78-2.86 (m, 2H) 3.34-3.42 (m, 2H) 3.75 (s, 3H) 4.45-4.54 (m, 1H) 6.95-6.98 (m, 1H) 7.28 (s, 1H) 7.24 (m, 1H) MS ES+: 419. |
76% | With triethylamine; In dichloromethane; at 20 - 25℃; for 2h; | Example 1 4-(3,4-Dichlorophenoxy)-l-((l,3,5-trimethyl-lH-pyrazol-4- yl)sulfonyl)piperidine 4-(3,4-Dichlorophenoxy)piperidine hydrochloride (143 mg, 0.508 mmol) (prepared as described for 4-(4-chloro-3-fluorophenoxy)piperidine hydrochloride (Intermediate 10) using 3,4-dichlorophenol) and triethylamine (142muIota^, 1.16 mmol) in dichloromethane (10 mL) was treated with l,3,5-trimethyl-lH-pyrazole-4-sulfonyl chloride (106 mg, 0.508 mmol). The reaction was stirred for 2 hours at room temperature. The crude reaction was washed with IN hydrochloric acid, filtered through a phase separation cartridge and concentrated in vacuo. The crude product was purified by silica column chromatography eluting with petrol/ethyl acetate to give the title compound. (160mg, 76%) lH NMR (400 MHz, DMSO-d6) delta ppm 1.62-1.75 (m, 2 H) 2.00-2.15 (m, 2H) 2.30 (s, 3H) 2.45 (s, 3H) 2.78-2.86 (m, 2H) 3.34-3.42 (m, 2H) 3.75 (s, 3H) 4.45-4.54 (m, 1H) 6.95- 6.98 (m, 1H) 7.28 (s, 1H) 7.24 (m, 1H) MS ES+: 419 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | Intermediate 8: 1-(1,3,5-Trimethyl-1H-pyrazole-4-sulfonyl)piperidin-4-one[0574] To a solution of 4-piperidine hydrochloride (3.67 g, 23.9 mmol) in dichloromethane (250 mL) was added magnesium sulfate (5 g) and the reaction was stirred at room temperature. After 15 minutes, <strong>[59340-27-1]1,3,5-trimethyl-1H-pyrazole-4-sulfonyl chloride</strong> ((1.0 g, 4.79 mmol) and triethylamine (2.42 g, 23.9 mmol) were added successively and stirred overnight at room temperature. The reaction was filtered, treated with water (25 mL) and extracted into dichloromethane (3×20 mL). The combined organic layers were dried over sodium sulfate, filtered and concentrated under reduced pressure to afford the desired product, 1-(1,3,5-trimethyl-1H-pyrazole-4-sulfonyl)piperidin-4-one (1.24 g, 95%). [0575] MS ES+: 272 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | Intermediate 8: l-(l,3,5-Trimethyl-lH-pyrazole-4-sulfonyl)piperidin-4-one To a solution of 4-piperidine hydrochloride (3.67g, 23.9 mmol) in dichloromethane (250 mL) was added magnesium sulfate (5g) and the reaction was stirred at room temperature. After 15 minutes, l,3,5-trimethyl-lH-pyrazole-4-sulfonyl chloride ( (l .Og, 4.79 mmol) and triethylamine (2.42g, 23.9 mmol) were added successively and stirred overnight at room temperature. The reaction was filtered, treated with water (25 mL) and extracted into dichloromethane (3 x 20 mL). The combined organic layers were dried over sodium sulfate, filtered and concentrated under reduced pressure to afford the desired product, 1- (l,3,5-trimethyl-lH-pyrazole-4-sulfonyl)piperidin-4-one (1.24g, 95%). MS ES+: 272 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | With triethylamine; In N,N-dimethyl-formamide; at 0 - 25℃; for 2h; | A solution of 3-(10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)propan-1-amine hydrochloride (0.100 g, 0.346 mmol) in DMF (1.1 mL) was cooled to 0 C, treated with Et3N (0.193 g, 1.38 mmol), and <strong>[59340-27-1]1,3,5-trimethyl-1H-pyrazole-4-sulfonyl chloride</strong> (0.080 g, 0.381 mmol). The mixture was warmed to 25 C, and stirred for 2 h. The mixture was partitioned between water (50 mL) and CH2Cl2 (50 mL). The organic layer was washed with saturated aqueous NaCl (5 30 mL), dried (Na2SO4), and concentrated in vacuo. The residue was dissolved in a minimal amount of CH2Cl2 and purified by flash chromatography (SiO2, 13-16% ethyl acetate-hexanes) to afford the title compound (0.127 g, 86%) as a white solid. 1H NMR (600 MHz, CD3OD) 7.07-7.01 (6H, m), 6.88-6.86 (2H, m), 3.69 (2H, t, J = 6.6 Hz), 3.60 (3H, s), 2.99 (4H, br s), 2.84 (2H, J = 6.6 Hz), 2.24 (3H, s), 2.22 (3H, s), 1.66 (2H, quintet, J = 6.6 Hz); 13C NMR (150 MHz, CD3OD) 148.2, 147.3, 142.3, 134.1, 129.6, 126.2, 122.5, 119.5, 115.6, 47.0, 39.9, 35.2, 31.9, 27.1, 11.8, 9.2; LCMS m/z 425.3 ([M + H+], C23H29N4O2S requires 425.2). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
2-Chloro-6-[3-[2-[1-(trifluoromethyl)cyclopropyl]ethoxy]pyrazol-1-yl]pyridine-3- carboxylic acid (100 mg, 0.2661 mmol) and CDI (approximately 51.38 mg, 0.3169 mmol) were combined in THF (600.0 muL) and stirred at room temperature for 2 hours. Meanwhile, <strong>[59340-27-1]1,3,5-trimethylpyrazole-4-sulfonyl chloride</strong> (approximately 55.53 mg, 0.2661 mmol) was combined with ammonia (approximately 250.0 muL of 7 M, 1.750 mmol) (in methanol) in a seperate vial, instantly forming a white solid. After stirring for an additonal 20 min, the volatiles were removed by evaporation, and 1 mL of dichloromethane was added to the solid residue, and also evaporated. DBU(approximately 54.41 mg, 53.45 muL, 0.3574 mmol) was added and stirred at 60 C for 5 minutes, (to facilitate the removal of ammonia from any residual ammonium chlroride) followed by 1 mL THF, which was subsequently evaporated. The contents of the vial containing the CDI activated carboxylic acid in THF were then added to the vial containing the newly formed sulfonamide and DBU, and the reaction mixture was stirred for 4 h at room temperature. The reaction mixture was diluted with 10 mL ethyl acetate, and washed with 10 mL 1 M citric acid. The aqueous layer was extracted with ethyl acetate (2 x 10 mL), and the combined organics were washed with brine, dried over sodium sulfate, and concentrated to give a white solid. This material was used in the next step without further purification.2-Chloro-6-[3-[2-[1- (trifluoromethyl)cyclopropyl]ethoxy]pyrazol-1-yl]-N-(1,3,5-trimethylpyrazol-4- yl)sulfonyl-pyridine-3-carboxamide (139 mg, 96%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
55% | With triethylamine; In tetrahydrofuran; at 20℃; for 16h; | General procedure: Example 14. (1R,3r,5S)-3-(4-Butylphenoxy)-8-(1,3,5-trimethylpyrazol-4-yl)sulfonyl-8-azabicyclo[3.2.1]octane Following GP4, (1R,3r,5S)-3-(4-butylphenoxy)-8-azabicyclo[3.2.1]octane trifluoroacetate (0.24 g, 1.1 eq., 0.64 mmol) was dissolved in THF (4 mL). Triethylamine (0.32 mL, 4 eq., 2.32 mmol) was then added followed by <strong>[59340-27-1]1,3,5-trimethylpyrazole-4-sulfonyl chloride</strong> (0.12 g, 1 eq., 0.58 mmol). The reaction mixture was stirred at room temperature for 16 h. Then it was quenched by the addition of HCl 2N (5 mL) and extracted with EtOAc (2*5 mL). The organic extracts were dried over Na2SO4 and concentrated in vacuo to furnish the crude product, which was purified by flash chromatography eluting with cyclohexane/EtOAc (0 to 100%) to give the pure title compound as white solid (0.14 g, 55%). UPLC-MS (method A): Rt. 2.37 min (TIC); ionization ES+432 [M+H]+. 1H NMR (400 MHz, DMSO-d6): delta 7.17-7.03 (m, 2H), 6.85-6.68 (m, 2H), 4.63 (t, J=4.4 Hz, 1H), 4.14-4.02 (m, 2H), 3.71 (s, 3H), 2.50-2.48 (m, 2H), 2.42 (s, 3H), 2.26 (s, 3H), 2.09-1.89 (m, 6H), 1.69-1.59 (m, 2H), 1.57-1.45 (m, 2H), 1.35-1.22 (m, 2H), 0.89 (t, J=7.3 Hz, 3H). 13C NMR (101 MHz, DMSO-d6): delta 155.13, 146.38, 142.19, 129.78, 115.86, 115.37, 69.34, 55.45, 36.74, 36.69, 34.38, 33.81, 28.42, 22.17, 14.24, 13.32, 10.64. |
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