反应详情

The title compound is prepared in analogy to example 25 (stage 25a) starting from 2-methyl-4-oxo-4H-chromene-8-carbaldehyde (200 mg, 1.062 mmol) and ethyl acetoacetate (138 mg, 1.062 mmol). 309 mg (97% of theory) of the title compound are obtained as an E/Z isomer mixture.

1. customThe title compound is prepared in analogy to example 25 (stage 25a)