Tetrahedron letters

Copper-catalyzed imination of pyridines using PhI NTs as nitrene precursor

SL Jain, VB Sharma, B Sain

Index: Jain, Suman L.; Sharma, Vishal B.; Sain, Bir Tetrahedron Letters, 2003 , vol. 44, # 23 p. 4385 - 4387

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Citation Number: 28

Abstract

1-Aminopyridinium ylides are important synthetic intermediates as they undergo 1,3 dipolar cycloaddition reactions with a variety of dipolarophiles to yield indolizine derivatives, which have been used in the synthesis of alkaloids, 1., and and undergo photoisomerization to yield 1(1H),2-diazepine derivatives. 2 The chemistry of 1-aminopyridinium ylides is underdeveloped due to the lack of availability of methods for their synthesis. Although these compounds can be prepared ...

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