Studies on Obakulactone. V

1) The authors accepted the proposal of Schechter that obakulactone, evodine, dictamnolactone and limonin should hereafter be designated as limonin on the basis of its identity and priority.2) The bitter principle, C26H30O9, m.p. 300°, isolated from Evodia rutaecarpa Benth. et Hook. was established as a new compound and was named “rutaevin”, 3) The authors obtained evidences that limonin molecule possessed a furan ring.