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Communication | Special issue | Vol 66, No. 1, 2005, pp.167-173
Published online, 18th November, 2005
DOI: 10.3987/COM-05-S(K)68
An Enantio- and Diastereocontrolled Synthesis of (+)-7-Deoxy-trans-dihydronarciclasine

Takashi Fujimura, Masatoshi Shibuya , Kunio Ogasawara,* and Yoshiharu Iwabuchi*

*Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Aobayama, Sendai 980-8578, Japan

Abstract

An enantio- and diastereocontrolled synthesis of (+)-7-deoxy-trans-dihydronarciclasine, a potent antineoplastic phenanthridone alkaloid from the bulbs of Hymenocallis carbaea and H. littoralis, has been developed starting with the chiral cyclohexanoid building block.