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Communication | Regular issue | Vol 32, No. 8, 1991, pp.1451-1454
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5764
The Practical Method for the Preparation of Iridoid Aglycons from Their Glycosides

Masahide Tanaka, Masaharu Kigawa, Hiroshi Mitsuhashi, and Takeshi Wakamatsu*

*Tsumura Reserach Institute for Biology and Chemistry (TRIBIC), Tsumura & Co., 3586 Yoshiwara, Ami-machi, Inashiki-gun, Ibaraki 300-1192, Japan

Abstract

The liberation of iridoid aglycons from their glycosides is achieved by the successive treatment with sodium metaperiodate, sodium borohydride, and hydrochloric acid in one pot operation. This simple and efficient method has advantages over the enzymatic hydrolysis from the preparative point of view.