科研之友
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摘要
A route to a racemic diene intermediate for the synthesis of tetrodotoxin is described. Key steps of the sequence leading to such a compound include the oxidative amidation of a phenol, a Cu(II)-catalyzed cyclocondensation of a nitroketone with an olefin (Machetti-DeSarlo reaction), and a nucleophilic fragmentation of the resulting isoxazoline. Several unusual reactions encountered in the course of this study are thoroughly discussed.
- 出版日期2013-12-6
