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Kristallstruktur eines überbrückten 1,2,3-Oxadiazolidin-5-ons


Bieri, Jost H; Meier, Hansruedi; Heimgartner, Heinz (1978). Kristallstruktur eines überbrückten 1,2,3-Oxadiazolidin-5-ons. Helvetica Chimica Acta, 61(3):1091-1096.

Abstract

The Crystal Structure of a Bridged 1,2,3-Oxadiazolidin-5-one Derivative
3-(2-Allylphenyl)-4-phenylsydnone (1) undergoes in solution an intramolecular, 1,3-dipolar cycloaddition reaction to give 2-oxo-1-phenyl-1,5-methano-1,2,4,5,6,11-hexahydro[1,2,3]oxadiazolo[3,2-a]cinnoline (2). The unique 1,2,3-oxadiazolidin-5-one structure of this molecule has been proved by X-ray analysis. The crystal structure has been solved by direct methods and refined by full-matrix least squares calculations to R = 0,046. The crystal system is orthorhombic, space group Pbca, with unit cell dimensions a = 10,546,b = 15,482, c = 16,531A.

Abstract

The Crystal Structure of a Bridged 1,2,3-Oxadiazolidin-5-one Derivative
3-(2-Allylphenyl)-4-phenylsydnone (1) undergoes in solution an intramolecular, 1,3-dipolar cycloaddition reaction to give 2-oxo-1-phenyl-1,5-methano-1,2,4,5,6,11-hexahydro[1,2,3]oxadiazolo[3,2-a]cinnoline (2). The unique 1,2,3-oxadiazolidin-5-one structure of this molecule has been proved by X-ray analysis. The crystal structure has been solved by direct methods and refined by full-matrix least squares calculations to R = 0,046. The crystal system is orthorhombic, space group Pbca, with unit cell dimensions a = 10,546,b = 15,482, c = 16,531A.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:German
Date:1978
Deposited On:24 Aug 2014 08:34
Last Modified:05 Apr 2016 18:20
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0018-019X

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