A new facile way for the preparation of 3-formylcoumarins

[摘要] 3-Formylcoumarins 2 are formed as single products in high yields upon reduction of 3-cyanocoumarins 1 with Raney nickel in formic acid. The starting materials 1 are easily accessible by Knoevenagel condensation of commercially available salicylaldehydes.

[学科分类] 内科医学

[关键词] 3-cyanocoumarins;3-formylcoumarins;Raney nickel;reduction