Citation: Chun Suo YAO, Yun Long XU. The Diterpenoid Quinones from Coleus forskohlii[J]. Chinese Chemical Letters, ;2001, 12(4): 339-342. shu

The Diterpenoid Quinones from Coleus forskohlii

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

Received Date: 29 April 2000

Fund Project: Project supported by the Applied Basic Research Foundation of Yunnan Province (1999C0081M). Authors would like to thank the staffs of analytical group in the Phytochemistry Laboratory, Kunming Institute of Botany for their measuring the spectral data.

Two new diterpenoid quinones, coleon S and T were isolated from the chloroform extract of the leaves of Coleus forskohlii, and based on spectroscopic data, their structures were identified as 1,4-phenathrenedione-4b,5,6,8a,9,10-hexahydro-3,9b,10a-trihydroxy-4b,7,8-rimethyl-2-(2-ethoxypropyl) (1) and 1,4-phenathrenedione-2,3,4b,5,6, 8a,9,10-octahydro-3,9β,10α-tri-hydroxy-4b,7,8-trimethyl-2-propylene(2), respectively.
- Coleus forskohlii,
- diterpenoid quinones,
- Coleon S,
- Coleon T.
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