Citation: Jia WANG, Zhong Wen LIN, Han Dong SUN. Three New 6,7-Seco-Ent-Kaurane Diterpenoids from Isodon Eriocalyx[J]. Chinese Chemical Letters, ;1997, 8(5): 421-424. shu

Three New 6,7-Seco-Ent-Kaurane Diterpenoids from Isodon Eriocalyx

Laboratory of Phytochemistry, Kunming Institute of Botany Academia Sinica, Kunming 650204

Received Date: 21 October 1996

From the dried leaves of I.eriocalyx,three new 6,7-seco-ent-kaurane diterpenoids epi-eriocalyxin A (2),maoecrystal N (3) and maoecrystal O (4) were isolated.Meanwhile,the structure of a known constituent eriocalyxin A was revised.
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