4-Chlorobenzenesulfonyl chloride → HCID 18617284, compound

HRID 842895Notes

Reaction equation

HRID 842895 reaction equation
[NH2:1][C:2]1[O:6][N:5]=[C:4]([CH3:7])[C:3]=1[Br:8].[Cl:9][C:10]1[CH:15]=[CH:14][C:13]([S:16](Cl)(=[O:18])=[O:17])=[CH:12][CH:11]=1>>[Cl:9][C:10]1[CH:15]=[CH:14][C:13]([S:16]([NH:1][C:2]2[O:6][N:5]=[C:4]([CH3:7])[C:3]=2[Br:8])(=[O:18])=[O:17])=[CH:12][CH:11]=1

Participants

3

Reactant 2

HCID 73984-Chlorobenzenesulfonyl chlorideHCID 104875194-Bromo-3-methylisoxazol-5-amine

Product 1

HCID 18617284HCID 18617284, compoundYield 93%

Procedure

4-Chloro-N-(4-bromo-3-methyl-5-isoxazolyl)benzenesulfonamide was prepared from 5-amino-4-bromo-3-methylisoxazole and 4-chlorobenzenesulfonyl chloride according to the procedures described in Example 25b. The crude product was purified by recrystallization from ethyl acetate/hexanes to give a yellow powder, m.p. 145-150° C., yield 93%.

Workup

  1. customThe crude product was purified by recrystallization from ethyl acetate/hexanes
  2. customto give a yellow powder, m.p. 145-150° C., yield 93%

Sources & evidence

ORD record
ord-da0707f650bb46ddb8084b17c1bb395f
Source dataset
uspto-grants-2002_04
Patent number
US06376523B1

Reaction notes

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