A novel and facile synthesis of dienals and substituted 2H-pyrans via the Vilsmeier reaction of α-oxo-ketenedithioacetals

Yingchun Liu; Dewen Dong; Qun Liu; Yimei Qi; Zuo Wang

doi:10.1039/B313977H

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A novel and facile synthesis of dienals and substituted 2H-pyrans via the Vilsmeier reaction of α-oxo-ketenedithioacetals

Yingchun Liu,^a Dewen Dong,*^a Qun Liu,^a Yimei Qi^a and Zuo Wang^a

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* Corresponding authors

^a Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
E-mail: dewend@yahoo.com

Abstract

A novel and facile synthesis of dienals (3a, 3b) and substituted 2H-pyrans (4c, 4d) from a series of α-oxo ketenedithioacetals containing a methyl group adjacent to the carbonyl group (1a–d) via the Vilsmeier reaction has been developed and a mechanism for the reactions has been proposed.

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DOI: https://doi.org/10.1039/B313977H
Article type: Communication
Submitted: 03 Nov 2003
Accepted: 03 Nov 2003
First published: 06 Nov 2003

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Org. Biomol. Chem., 2004,2, 28-30

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A novel and facile synthesis of dienals and substituted 2H-pyrans via the Vilsmeier reaction of α-oxo-ketenedithioacetals

Y. Liu, D. Dong, Q. Liu, Y. Qi and Z. Wang, Org. Biomol. Chem., 2004, 2, 28 DOI: 10.1039/B313977H

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Organic & Biomolecular Chemistry

A novel and facile synthesis of dienals and substituted 2H-pyrans via the Vilsmeier reaction of α-oxo-ketenedithioacetals

Abstract

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A novel and facile synthesis of dienals and substituted 2H-pyrans via the Vilsmeier reaction of α-oxo-ketenedithioacetals

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