Publication: Siamenols A - D, four new coumarins from Mammea siamensis
Issued Date
2006-06-01
Resource Type
ISSN
13475223
00092363
00092363
Other identifier(s)
2-s2.0-33744776582
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Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
Chemical and Pharmaceutical Bulletin. Vol.54, No.6 (2006), 884-886
Suggested Citation
Vilailak Prachyawarakorn, Chulabhorn Mahidol, Somsak Ruchirawat Siamenols A - D, four new coumarins from Mammea siamensis. Chemical and Pharmaceutical Bulletin. Vol.54, No.6 (2006), 884-886. doi:10.1248/cpb.54.884 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/23160
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Title
Siamenols A - D, four new coumarins from Mammea siamensis
Abstract
Further investigation of the dichloromethane extract of the twigs of Mammea siamensis led to the isolation of four novel coumarins, named siamenols A - D (1 - 4) together with three known xanthones. The structures of the new coumarins were elucidated by spectroscopic analysis, including 2D NMR spectroscopic data. In addition, the absolute stereochemistry of hydroxyl group of siamenol C (3) was determined to be S configuration by using modified Mosher's method. © 2006 Pharmaceutical Society of Japan.