反应详情

2,2-Dimethyl-6-formylchromane (commercially available) was condensed with 4-methyl-5-chloro-2-oxindole to give 0.3 g of 5-chloro-3-(2,2-dimethyl-chroman-6-ylmethylene)-4-methyl-1,3-dihydroindol-2-one as a yellow-orange solid.