1,2-Dichloroethane → 7-({2-[benzyl(methyl)amino]ethoxy}methyl)-14-cyclohexyl-N-{[(2,2-dimethoxyethyl)(methyl)amino]sulfonyl}-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxamide

Participants

Reaction Conditions

Reaction Steps

A solution of (7R or 7S)-7-({2-[benzyl(methyl)amino]ethoxy}methyl)-14-cyclohexyl-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylic acid in dry DCM (0.06 M) was treated with DMAP (3 eq), EDC (1.5 eq) and N-(2,2-dimethoxyethyl)-N-methylsulfamide (prepared as described in example 1 step 1). The mixture was stirred at 40° C. for 2 h, and then diluted with EtOAc, washed with 1N HCl (aq), sat. aq. NaHCO3 and brine, dried (Na2SO4), filtered and concentrated in vacuo to give the title compound. The crude material was used in the next step without further purification. (ES+) m/z 733 (M+H)+.

Provenance & Evidence