SPIRO BETA-LACTAM THIADIAZOLINE AND TRIAZOLINE SYSTEMS - COMPARISON WITH THE CHEMISTRY OF SPIRO BETA-LACTAM OXADIAZOLINES

Citation
M. Zoghbi et J. Warkentin, SPIRO BETA-LACTAM THIADIAZOLINE AND TRIAZOLINE SYSTEMS - COMPARISON WITH THE CHEMISTRY OF SPIRO BETA-LACTAM OXADIAZOLINES, Tetrahedron, 49(45), 1993, pp. 10229-10238
Citations number
32
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404020
Volume
49
Issue
45
Year of publication
1993
Pages
10229 - 10238
Database
ISI
SICI code
0040-4020(1993)49:45<10229:SBTATS>2.0.ZU;2-2
Abstract
Triazoline, oxadiazoline, and thiadiazoline ring systems spiro-fused t o C4 of a beta-lactam ring undergo 1,3-dipolar cycloreversion to form azomethine-, carbonyl-, and thiocarbonyl ylides, respectively. The ord er of reactivities is triazoline > thiadiazoline > oxadiazoline.