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Paper | Regular issue | Vol 27, No. 3, 1988, pp.683-685
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4342
1.3-Dipolar Cycloaddition of Nitrile Oxides to Chlorosulfonyl Isocynate: Selective Formation of 3-Aryl Substituted 1,2,4-Oxadiazolin-5-ones

Kakulapati Rama Rao, Tiruchirapally Natesan Srinivasan, and Prahlad Balvantrao Sattur*

*Regional Research Laboratory, Hyderabad 500 007, India

Abstract

Aryl substituted nitrile oxides add in a selective way to C=N of chlorosulfonyl isocyanate to afford 3-Aryl-substituted 1,2,4-oxadiazolin-5-ones after hydrolysis.