Two Acetophenone Glucosides, Cynanonesides A and B, from Cynanchum taiwanianum and Revision of the Structure for Cynandione A
β Scribed by Lin, Yun-Lian; Lin, Tung-Chich; Kuo, Yueh-Hsiung
- Book ID
- 121504948
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 127 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0163-3864
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## Abstract Two new dinorditerpene glucosides, tinosineside A (1) and B (2βOβacetyltinosineside A, 2), were isolated from the fresh stems of __Tinospora sinensis__ Merr. (Menispermaceae). Their structures were established on the basis of chemical and spectroscopic findings.
The structures of glaucogenln-A (l), glaucogenm-B (2), and glaucogenln-C mono D -thevetoslde (7) were characterized by chemical and spectroscopic evidence and that of 1 determined by X-ray crystallography Chinese crude drug "PaI-Ch'ien +&&+iq ,dried root of Cynanchum glaucescens T. Reichstein and E.