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Dimethylformamide dimethyl acetal as a building block in heterocyclic synthesis

โœ Scribed by Fathi A. Abu-Shanab; Sherif M. Sherif; Sayed A. S. Mousa

Publisher
Journal of Heterocyclic Chemistry
Year
2009
Tongue
English
Weight
491 KB
Volume
46
Category
Article
ISSN
0022-152X

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โœฆ Synopsis

Abstract

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This review focuses on the use of dimethylformamide dimethyl acetal in the preparation of heterocyclic compounds via formylation of active methylene groups, methyl groups to give enamines, and formylation of amino groups to give amidines. These compounds are found to be useful intermediates in the formation and modification of heterocyclic compounds. J. Heterocyclic Chem., (2009).

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Dimethylformamide dimethyl acetal in heterocyclic synthesis: Synthesis of polyfunctionally substituted pyridine derivatives as precursors to bicycles and polycycles
โœ Fathi A. Abu-Shanab; A. M. Hessen; S. A. S. Mousa ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 308 KB ๐Ÿ‘ 1 views

## Abstract magnified image Polysubstituted pyridines **11a,c** and **12** were prepared by the reaction of benzoylacetone with dimethylformamide dimethyl acetal followed by treatment with cyanothioacetamide **9a**, cyanoacetamide **9b** and the anion of malononitrile dimmer **9c** in dry DMF. Whe