Synthetic Communications p. 971 - 976 (2016)
Update date:2022-08-25
Topics:
Yang, Yong-Qing
8-Hydroxyl-9-angeloyloxythymol, isolated from Eupatorium fortuneri Turcz, was synthesized for the first time. The synthesis was achieved through a seven-step route, using m-cresol as the starting material and Sharpless asymmetric dihydroxylation to install the quaternary stereogenic center. The enantio-enriched synthetic sample showed spectroscopic data consistent with those of the natural product and thus confirmed the gross structure assigned previously. By comparing the sign for optical rotations of the synthetic and the natural samples, the absolute configuration for the natural product was also assigned. Formula Present.
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