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Paper | Regular issue | Vol 43, No. 6, 1996, pp.1279-1286
Published online, 1st January, 1970
DOI: 10.3987/COM-96-7459
Cyclic Peptides from Higher Plants. Part 30. Three Novel Cyclic Peptides, Yunnanins D, E and F from Stellaria yunnanensis

Hiroshi Morita, Takashi Kayashita, Masako Shimomura, Koichi Takeya, and Hideji Itokawa*

*Department of Pharmacognosy, School of Pharmacy, Tokyo University of Pharmacy & Life Science, Horinouchi 1432-1, Hachioji, Tokyo 192-03, Japan

Abstract

Three novel cyclic peptides, named yunnanins D [1: cyclo(-Gly-Ile-Ser-Phe-Arg-Phe-Pro-)], E [2: cyclo(-Gly-Ser-δ-Hydroxy Ile-Phe-Phe-Ser-)] and F [3: cyclo(-Gly-Val-Thr-Trp-Tyr-Pro-Ser-Ser-)], have been isolated from Stellaria yunnanensis (Caryophyllaceae) and their structures were elucidated by spectroscopic evidence and chemical degradation.