反应详情

Analogously to the procedure of example II, starting from 3.00 g (11.66 mmol) of 5-benzyloxy-2-nitrobenzaldehyde in 60 ml of THF and 37.8 ml (18.66 mmol) of a 0.5 M 1-propenylmagnesium bromide solution in THF at −78° C., 1.95 g (56%) of 1-[5-(benzyloxy)-2-nitrophenyl]-2-buten-1-ol are obtained as an E/Z mixture.