THE STRUCTURE OF ACRIMARINES, THE FIRST NATURALLY OCCURRING ACRIDONE-COUMARIN DIMERS

The structures of acrimarine-A (1__∼), -B (2__∼), and -C (3__∼), novel acridone alkaloids carrying a coumarin unit, from (Citrus)___- (funadoko)___- Hort. ex. Y. Tanaka, have been elucidated by spectral experiments.