Sodium hydride → HCID 10302869, compound

Participants

Reaction Steps

N-(4-bromo-3-methyl-5-isoxazolyl)-2-(3,4,5-trimethoxybenzyl)-benzo[b]thiophene-3-sulfonamide was prepared in the same manner as described in Example 41. Reaction of 4-bromo-3-methyl-5-aminoisoxazole (0.55 mmoles, 97 mg), NaH (1.4 mmoles, 55 mg), and 2-(3,4,5-trimethoxylbenzyl)-benzo[b]thiophene-3-sulfonyl chloride (0.66 mmoles, 0.27 g) in THF (2 ml) yielded, after flash chromatography using 50% ethyl acetate/haxanes and recrystallization from chloroform and hexanes, 94 mg of a tan solid, m.p. 154-156° C.

Provenance & Evidence