Organic Letters p. 3524 - 3527 (2017)
Update date:2022-07-29
Topics:
Huang, Zhusheng
Yang, Xiuqin
Yang, Fulai
Lu, Tao
Zhou, Qingfa
A phosphine-catalyzed domino process of benzofuranones with allenoates has been developed which furnishes highly functionalized unsymmetrical 3,3-disubstituted benzofuranones in synthetically useful yields. The mechanism for the transformation is a tandem β-umpolung/γ-umpolung process.
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