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Cinnacassides A-E, five geranylphenylacetate glycosides from Cinnamomum cassia |
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| Authors: | Shang-Gao Liao Tao Yuan Chen Zhang Yan Wu |
| Affiliation: | a State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Zhangjiang Hi-Tech Park, Shanghai, 201203, PR China b School of Pharmacy, Guiyang Medical College, 9 Beijing Road, Guiyang, 550004, PR China |
| Abstract: | Cinnacassides A-E (1-5), five novel glycosides with a unique geranylphenylacetate carbon skeleton, were isolated from the stem bark of Cinnamomum cassia. Each of the cinnacassides A-D (1-4) possesses one of the four stereoisomers in the aglycone. Their structures were established by extensive spectroscopic analysis and chemical and chiroptical methods. A plausible biosynthetic route to 1-5 was also proposed. |
| Keywords: | Cinnamomum cassia Traditional Chinese Medicine Geranylphenylacetate glycoside Cinnacassides Chiroptical methods Structure elucidation |
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