[李顺祥; 李娟; 赵小芳] Hunan Province Engineering Research Center of Bioactive Substance Discovery of Traditional Chinese Medicime, Hunan University of Chinese Medicine, Changsha 410208, China
[李兆星] College of Pharmacy, Southwest Liniversity, Chongqing 400716, China
[徐博] Beijing University of Chinese Medicine, Beijing 100102, China
[李林; 张兰] Key Laboratory of Neurodegenerative Diseases of Ministry of Education, Capital Medical University, Beijing 100053, China
A new quaiane-tgpe sesquiterpene was isolated from the 95% ethanol extract of the rhizomes of Acorus calamus by silica gel and sephadex LH-20 column chromatographic methods. Structure and absolute configuration of the sesquiterpene were elucidated by spectroscopic data and X-ray crystallographic analysis, and named a...