Sodium hydride → HCID 23445570, compound

Participants

Reaction Steps

N-(4-bromo-3-methyl-5-isoxazolyl)-2-(3,4-dimethoxy-benzyl)-benzo[b]thiophene-3-sulfonamide was prepared in the same manner as described in Example 41. Reaction of 4-bromo-3-methyl-5-aminoisoxazole (1.0 mmoles, 0.18 g), NaH (2.5 mmoles, 60 mg), and 2-(3,4-dimethoxybenzyl)benzo[b]thiophene-3-sulfonylchloride (1.2 mmoles, 0.449) in THF (6 ml), after recrystallization from chloroform and hexanes, yielded 0.42 g (80%) of a brown solid, m.p. 151-153° C.

Provenance & Evidence