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Note | Regular issue | Vol 68, No. 9, 2006, pp.1955-1959
Published online, 18th July, 2006
DOI: 10.3987/COM-06-10799
Three New Isochromans from the Mycelial Culture of a Cylindrocarpon Fungus

Liangxiong Xu, Jinghua Xue, Hanhong Xu, Xingzhong Liu, Wenzhe Ma, and Xiaoyi Wei*

*South China Bonatical Garden, Chinese Academy of Sciences, Leyiju, Guangzhou 510650, China


Three new isochroman derivatives, 1-acetonyl-7-carboxyl-6,8-dihydroxy-3,4,5-trimethylisochroman (1), 7-carboxyl-6,8-dihydroxy-1,1,3,4,5-pentamethylisochroman (2), and 6,8-dihydroxy-3,4,5-trimethylisochroman (3), together with decarboxydihydrocitrinone (4), were isolated from mycelial solid culture of a Cylindrocarpon fungus. Their structures were established by spectroscopic methods.