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Two new compounds from an endophytic fungus Aspergillus sp. HS-05.

Journal of Asian natural products research (2011-03-17)
Lin Zhang, Gang Chen, Hong-Hua Wu, Xuan Lu, Yue-Hu Pei, Xin Wu, Bo Pan, Hui-Ming Hua, Jiao Bai
ABSTRACT

Two new compounds, N-[4'-hydroxy-(E)-cinnamoyl]-l-tyrosine methyl ester (1) and methyl 4-methoxy-3-(3'-hydroxy-2'-methyl)propionyloxy-benzoate (2), were isolated from EtOAc extract of the fermentation broth of the endophytic fungus Aspergillus sp. HS-05. Their structures were elucidated by NMR, IR, UV, MS, and CD methods. Compounds 1 and 2 showed no anticancer activities against HL-60 cell lines (both of IC(50)>100 μM) in vitro.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
L-Tyrosine methyl ester hydrochloride
Sigma-Aldrich
L-Tyrosine methyl ester, 98%