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 (2 g, 10.62 mmol) and cyclobutyl acetoacetate (1.66 g, 10.62 mmol). 3.4 g (98% 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)