Plant Diversity ›› 2000, Vol. 22 ›› Issue (03): 1-3.

• Articles •    

A New ent - Kauranoid from Isodon eriocalyx var. laxiflora

HOU Ai-Jun, YANG Hui. JIANG Bei, ZHAO Qin-Shi,LIN Zhong-Wen, SUN Han-Dong   

  1. Laboratory of Phytochemistry,Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming 650204
  • Online:2000-06-25 Published:2000-06-25

Abstract: A new ent - kauranoid named laxiflorin D (1) was isolated from the leaves of Isodon eriocalyx var. hxifhra, whose structure was determined by the spectroscope methods. Six known ent - kaurane diterpenoids, laxiflorin A (2). maoecrystals A-C(3-5).Q(6)and eriocalyxin B (7). together with cirsimaritin (8) and 2a- hydroxyursolic acid (9), were also isolated.

Key words: Isodon eriocalyx var.laxiflora