Two new chroman derivations from the endophytic Penicillium sp. DCS523.
Strain DCS523 was isolated from the branch tissue of Daphniphyllum longeracemosum and determined to be a Penicillium sp. according to the ITS sequence analysis. The extracts from the PDA solid fermentation media of Penicillium sp. DCS523 were purified to give two new chroman derivatives as well as six known compounds. Based on their spectral data the new compounds were identified as (Z)-6-acetyl- 3-(1,2-dihydroxypropylidene)-5-hydroxy-8-methylchroman-2-one and 6-acetyl-2α,5- dihydroxy-2-(2-hydroxypropyl)- 3α,8-dimethylchroman, respectively.
The State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China.
Jun-Tian
JT
Li
Xiao-Li
XL
Fu
Chun
C
Tan
Ying
Y
Zeng
Qi
Q
Wang
Pei-Ji
PJ
Zhao
D001483:Base Sequence; D002839:Chromans / Q000737:chemistry / Q000302:isolation & purification*; D002851:Chromatography, High Pressure Liquid; D017931:DNA Primers; D009682:Magnetic Resonance Spectroscopy; D010407:Penicillium / Q000737:chemistry* / Q000235:genetics; D012340:RNA, Ribosomal, 5.8S / Q000235:genetics; D021241:Spectrometry, Mass, Electrospray Ionization; D013056:Spectrophotometry, Ultraviolet
D002839:Chromans; D017931:DNA Primers; D012340:RNA, Ribosomal, 5.8S
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