A new tetrahydrophenanthrene from Chloranthus henryi

A new tetrahydrophenanthrene named henryin A (1) was isolated from the leaves of Chloranthus henryi. Its structure was determined to be (S)-4,6,9-trimethyl-5,6,7,8-tetrahydrophenanthrene-1,2-diol on the basis of IR, MS, 1D and 2D NMR spectral. (C) 2009 Yong Ming Luo. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.