4-Methoxybenzenesulfonyl chloride → HCID 59593446, compound

HRID 1797859Notes

Reaction equation

HRID 1797859 reaction equation
[OH:1][C@H:2]1[CH2:6][CH2:5][N:4]([C:7]2[CH:12]=[CH:11][C:10]([S:13]([NH:16][C:17]3[S:18][CH:19]=[CH:20][N:21]=3)(=[O:15])=[O:14])=[CH:9][CH:8]=2)[C:3]1=[O:22].[CH3:23][O:24][C:25]1[CH:30]=[CH:29][C:28]([S:31](Cl)(=[O:33])=[O:32])=[CH:27][CH:26]=1.CCN(C(C)C)C(C)C>CN(C=O)C.CO.O>[OH:1][C@H:2]1[CH2:6][CH2:5][N:4]([C:7]2[CH:12]=[CH:11][C:10]([S:13]([N:16]([S:31]([C:28]3[CH:27]=[CH:26][C:25]([O:24][CH3:23])=[CH:30][CH:29]=3)(=[O:33])=[O:32])[C:17]3[S:18][CH:19]=[CH:20][N:21]=3)(=[O:14])=[O:15])=[CH:9][CH:8]=2)[C:3]1=[O:22]

Participants

7

Reactant 3

HCID 74014-Methoxybenzenesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 59593455HCID 59593455, compound

Product 1

HCID 59593446HCID 59593446, compoundYield 89.2%

Reagents, catalysts & solvents 3

HCID 887MethanolSolventHCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

Synthesized according to General Procedure 8. A solution of (S)-4-(3-hydroxy-2-oxopyrrolidin-1-yl)-N-(thiazol-2-yl)benzenesulfonamide (150 mg, 0.44 mmol), 4-methoxybenzenesulfonyl chloride (91 mg, 0.44 mmol) and DIEA (57 mg, 77 μL, 0.44 mmol) in DMF (0.75 mL) was stirred at room temperature for 1 h. The reaction mixture was diluted with MeOH (1 mL) and water (10 mL), and the resulting precipitated solid was collected by vacuum filtration. The precipitate was washed with water followed by cold Et2O to afford the product, (S)-4-(3-hydroxy-2-oxopyrrolidin-1-yl)-N-(4-methoxyphenylsulfonyl)-N-(thiazol-2-yl)benzenesulfonamide (200 mg, 0.3925 mmol) as a white solid. 1H-NMR (400 MHz, DMSO-d6) δ 7.86-7.80 (m, 4H), 7.70 (d, J=5.1 Hz, 1H), 7.60 (d, J=9.0 Hz, 2H), 7.03-6.98 (m, 3H), 5.88 (d, J=5.9 Hz, 1H), 4.38-4.32 (m, 1H), 3.85-3.77 (m, 1H), 3.81 (s, 3H), 3.70 (td, J=9.4, 5.4 Hz, 1H), 2.48-2.41 (m, 1H) and 1.92-1.82 (m, 1H) ppm. LC/MS (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)), m/z: M+1 obs=510.0; tR=1.22 min.

Workup

  1. customSynthesized
  2. customthe resulting precipitated solid
  3. filtrationwas collected by vacuum filtration
  4. washThe precipitate was washed with water

Sources & evidence

ORD record
ord-6eff232a4f0646e4b861cea68268188f
Source dataset
uspto-grants-2013_01
Patent number
US08343763B2

Reaction notes

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