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Synthesis of taxane ABC tricyclic skeleton from lycoctonine
Authors:Liang Xiao-Xia  Tang Pei  Chen Qiao-Hong  Wang Feng-Peng
Institution:Department of Chemistry of Medicinal Natural Products, West China College of Pharmacy, Sichuan University, Chengdu, Sichuan, PR China 610041.
Abstract:A new conversional synthesis of the ABC ring system of taxoids from the C19-diterpenoid alkaloid lycoctonine was developed in 6 steps with 2% overall yield. The distinctive features of the conversion include pinacol rearrangement, enlargement of ring B, and opening of a four-membered ring.
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