Immunosuppressive diterpenes from Veronicastrum sibiricum

  • Chem Pharm Bull (Tokyo). 2004 Jan;52(1):136-7. doi: 10.1248/cpb.52.136.
Wenyuan Gao  1 Rong Zhang Wei Jia Jun Zhang Yoshihisa Takaishi Hongquan Duan
Affiliations
  • 1. The College of Pharmaceuticals and Biotechnology, Tianjin University, Tianjin 300072, China.
Abstract

Two new diterpenes, named sibiriquinone A (1) and B (2), along with four known diterpenes have been isolated from the aerial part of Veronicastrum sibiricum. Their structures were elucidated by spectroscopy. The isolated compounds showed significant immunosuppressive activities.

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