反应详情

A procedure similar to that described in Preparation 4 was repeated, except that 240 mg of 2-(indolin-1-yl)ethanol (prepared as described in Preparation 9), 690 mg of 5-(4-hydroxybenzyl)-3-triphenylmethylthiazolidine-2,4-dione, 0.37 ml of tributylphosphine, 370 mg of 1,1'-(azodicarbonyl)dipiperidine and 5 ml of anhydrous tetrahydrofuran were used, to give 530 mg of the title compound having Rf=0.88 (on silica gel thin layer chromatography using a 2:1 by volume mixture of hexane and ethyl acetate as the developing solvent).

1. customA procedure similar to that described in Preparation 4