Studies on Monoterpene Glucosides and Related Natural Products. XXX. The Fate of the C-8 Proton of 7-Deoxyloganic Acid in the Biosynthesis of Secoiridoid Glucosides

Abstract

Administration experiments of (7,8-3H2)-7-deoxyloganic acid (5) into Lonicera mor-rowii, Cornus officinalisand Gentiana thunbergii plants revealed that the C-8 proton of (7,8-3H2)-5 was retained in loganin (2), secologanin (3) and morroniside (1), respectively. © 1976, The Pharmaceutical Society of Japan. All rights reserved.