Five new phthalide derivatives, biscogniphthalides A-D (1, 2, 3a/3b, and 4), were isolated from Biscogniauxia sp. (No. 69-8-7-1), along with one related known phthalide (5). Their structures were determined by comprehensive spectroscopic analyses, chemical derivatization, and quantum chemical ECD calculations. In addition, the anti-acetyl cholinesterase, antimicrobial, and anti-alpha-glucosidase activities of 1-5 were evaluated.
        
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Liu YY, Zhao H, Xie J, Zou J, Hu D, Guo LD, Chen GD, Yao XS, Gao H (2019) New phthalide derivatives from the Biscogniauxia sp. and their activities Fitoterapia
Liu YY, Zhao H, Xie J, Zou J, Hu D, Guo LD, Chen GD, Yao XS, Gao H (2019) Fitoterapia