Citation: Shao Nong CHEN, Shao Yuan CHEN, Zhong Wen LIN, Fang Di NIUBo Gong LI, Han Dong SUN, Yao Zu CHEN. Four New Diterpenoids from Isodon leucophylla[J]. Chinese Chemical Letters, ;1998, 9(11): 1021-1024. shu

Four New Diterpenoids from Isodon leucophylla

1.
Shanghai Institute of Materia Medica, Academia Sinica, Shanghai 200031;
2.
The Laboratory of Phytochendstry, Kunming Institute of Botany, Academia Sinica, Kunming 650204;
3.
The Laboratory of Phytochendstry, Chengdu Institute of Biology, Academia Sinica, Chengdu 610041;
4.
Department of Chemistry, Zhejiang University, Hangzhou 310027;
5.
State Key Laboratory of Applied Organic Chemistry, Lanzhou University Lanzhou 730000

Received Date: 17 April 1998

Four new diterpenoids, baiyecrystals A-C and epi-baiyecrystal C,were isolated from I. leucophylla. Their structures were determined by means of spectral methods as 1-4.
- Isodon leucophylla,
- labiatae,
- ent-kaurane diterpenoids,
- baiyecrystal A-C,
- epi-baiyecrystal C
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