From the lipophilic leaf extracts of Glycosmis mauritiana and G. parvi
flora a (Rutaceae-Aurantioideae), the novel thiocarbonic acid derived
imide ritigalin was isolated as major component by MPLC and TLC. The s
tructure was elucidated by spectroscopic evidence (H-1, C-13 NMR; MS;
IR; VV).