Chao Jian-fei, Yin Zhi-qi, Ye Wen-cai, Zhao Shou-xun
Department of Phytochemistry, China Pharmaceutical University, Nanjing.
Zhongguo Zhong Yao Za Zhi. 2006 Jul;31(13):1078-80.
To investigate the chemical constituents from the branch of Broussonetia papyrifera.
Column chromatographic methods were used to isolate the chemical constituents. ESI-MS and NMR methods were employed for their structural elucidation.
Six compounds were isolated and identified as (2S)-7, 3'-dihydroxy-4'-methoxyflavan (1), ergosterol peroxide (2), D-galacitol (3), sulfuretin (4), liriodendrin (5), graveolone (6), respectively.
Compounds 1-6 were isolated from the plant for the first time.