Tetrahedron

Spiro β-lactam thiadiazoline and triazoline systems. Comparison with the chemistry of spiro β-lactam oxadiazolines

M Zoghbi, W John

Index: Zoghbi, Michel; Warkentin, John Tetrahedron, 1993 , vol. 49, # 45 p. 10229 - 10238

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Citation Number: 5

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Triazoline, oxadiazoline, and thiadiazoline ring systems spiro-fused to C4 of a β-lactam ring undergo 1,3-dipolar cycloreversion to form azomethine-, carbonyl-, and thiocarbonyl ylides, respectively. The order of reactivities is triazoline > thiadiazoline > oxadiazoline.