Hydrochloric Acid → HCID 14255702, compound

Participants

Reaction Steps

To a solution of 7.14 g of N-t-butyl-2,3-dihydro-2-methylbenzo[b]thiophene-7-sulfonamide in 175 ml of dry tetrahydrofuran was added 34 ml of a 1.6M hexane solution of n-butyl lithium at -40° C. to -30° C. under an inert atmosphere. The mixture was allowed to warm and was stirred at room temperature for 30 minutes. It was recooled to -30° C. and was contacted with 2.2 ml of bromomethyl methyl ether. The mixture was allowed to come to room temperature overnight and was acidified with 10 ml of 6N hydrochloric acid. The organic layer was separated, was dried over magnesium sulfate, and was concentrated to give 7.4 g of the title compound as a brown oil.

Provenance & Evidence