Catalyst-controlled Formal [4 + 1] Annulation of N-vinyl Fluorenone Nitrones and Allenoates to Prepare Spirofluorenylpyrrolines

Cui Wei,Jin-Qi Zhang,Jia-Jie Zhang,Cui Liang,Dong-Liang Mo

Organic chemistry frontiers（2020）

引用 17|浏览4

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摘要

A simple gimeracil-controlled formal [4 + 1] annulation was developed to prepare various spirofluorenylpyrrolines in good yields with high diastereoselectivity from N-vinyl fluorenone nitrones and allenoates.

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