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First Total Synthesis of Gaylussacin and Its Stilbene Derivatives
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- Authors
- Issue Date
- 2021-04
- Publisher
- American Chemical Society
- Citation
- Journal of Natural Products, Vol.84 No.4, pp.1366-1372
- Abstract
- Gaylussacin (1), a stilbene glucoside, has been isolated from Pentarhizidium orientale and is used in Korean folk medicine. Although it was first isolated in 1972, the synthesis of gaylussacin has never been reported. Herein, we report the first total synthesis of gaylussacin in six steps with an overall yield of 23.8%, as well as the synthesis of its derivatives. Structurally, gaylussacin contains a carboxylic acid and a glycoside along with a free phenol on the same benzene ring, making selective functionalization for the synthesis of 1 difficult. Heck cross-coupling was employed as a key step to introduce the stilbene moiety. Glycosylation followed by global deprotection provided natural product 1.
- ISSN
- 0163-3864
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