ISSN:
0075-4617
Keywords:
Chemistry
;
Organic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Description / Table of Contents:
Spirocyclic 2-Indolinones by 1,3-Dipolar CycloadditionThe synthesis of spiro[indoline-3,3'-[1]pyrazolin]-2-ones 3, spiro[indoline-3,1'-cyclopropan]-2- ones 6, spiro[indoline-3,5'- and spiro[indoline-3,4'-[2]isoxazolin]-2-ones 8 and 9, respectively, and spiro[indoline-3,5'-[Δ2-1,2,4]oxadiazolin]-2-ones 11 by 1,3-dipolar cycloaddition of diazoalkanes and benzonitrile oxide to 2-oxindolin-3-ylideneacetic esters and isatin-β-anils is described.
Notes:
Die Synthese von Spiro[indolin-3,3'-[1]pyrazolin]-2-onen 3, Spiro[indolin-3,1'-cyclopropan]- 2-onen 6, Spiro[indolin-3,5'- und Spiro[indolin-3,4'-[2]isoxazolin]-2-onen 8 bzw. 9 sowie Spiro[indolin-3,5'-]Δ2-1,2,4]oxadiazolin]-2-onen 11 durch 1,3-dipolare Cycloadditionen von Diazoalkanen und Benzonitriloxid an 2-Oxindolin-3-ylidenessigsäureester und Isatin-β-anile wird beschrieben.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/jlac.197819780505
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