Structural Elucidation of Citrumarins: Four Novel Binary Coumarins Isolated from Citrus Plants

Abstract

Four binary coumarins, namely citrumarin-A (1), -B (2), -C (3), and -D (4), were isolated from root of Citrus hassaku and/or Swingle Citrumelo, and their structures were elucidated by spectroscopic methods. © 1993, The Pharmaceutical Society of Japan. All rights reserved.