ChemInform Abstract: Hydrogen‐Bond‐Directed Formal [5 + 1] Annulations of Oxindoles with Ester‐Linked Bisenones: Facile Access to Chiral Spirooxindole δ‐Lactones.

Shuai Zhao, Yong‐Min Liang + Show 3 more

https://doi.org/10.1002/chin.201436111

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Publication Date: Aug 21, 2014

Abstract

AbstractAn asymmetric formal [5 + 1] cyclization of oxindoles and ester‐tagged bisenones is developed using a bifunctional thiourea catalyst.

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