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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2008, Volume 59, Issue 3, 269-272

https://doi.org/10.37358/RC.08.3.1746

Emilian Georgescu, Florentina Georgescu, Constantin Draghici, Petru Filip, Florea Dumitrascu

New Substituted Indolizines by 1,3-Dipolar Cycloaddition Reactions I. 7-tert-Butylindolizines

Abstract:

The new indolizine derivatives 6a-h containing a tert-butyl group grafted on the pyridinic ring were obtained by reaction of N-phenacylpyridinium bromides 3 with ethyl propiolate as acetylenic dipolarophile in medium of 1,2-epoxybutane at reflux. Structural proof for the compounds was provided by elemental analysis and NMR spectroscopy, including COSY and HETCOR experiments.

Keywords:
pyridinium N-ylides; ethyl propiolate; 1;3-dipolar cycloaddition; indolizine

Issue: 2008, Volume 59, Issue 3
Pages: 269-272
Publication date: 2008/4/9
https://doi.org/10.37358/RC.08.3.1746
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