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Org Biomol Chem. 2016 Jan 28;14(4):1226-30. doi: 10.1039/c5ob02383a. Epub 2015 Dec 17.

DABCO-catalyzed unusual [4 + 2] cycloaddition reaction: non-substituted allenoate acts as a four-carbon synthon and facile synthesis of spirooxindoles.

Author information

1
Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China. aiminyu@tjut.edu.cn mengxiangtai23@mail.nankai.edu.cn.

Abstract

A DABCO-catalyzed domino reaction between methyleneoxindoles and allenoates which enables the direct synthesis of spirooxindoles is reported. This is the first example of a non-substituted allenoate to act as a four-carbon synthon in a tertiary amine-catalyzed reaction.

PMID:
26677052
DOI:
10.1039/c5ob02383a

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