反应详情

To a solution of 1.13 g (5.6 mmoles) 1,3-dihydro-1-oxospiro[2H-indene-2,4'-piperidine] in 15 ml methylene chloride cooled to 0° C. was added 1.23 g (12.0 mmoles) acetic anhydride. The solution was stirred at 0° for 1 hour and the solvent was removed in vacuo to give crude 1'-acetylspiro[2H-indene-2,4'-piperidine]-1(3H)-one.

1. customthe solvent was removed in vacuo