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1,3-Dipolar cycloadditions of heterocycles. X. Reactions of C-benzoyl-N-phenylnitrone with dihydrothiophene, N-methylpyrrole, thiophene, and benzothiophene

Ľ. Fišera, J. Kováč, J. Patúš, and P. Meško

Department of Organic Chemistry, Slovak Technical University, CSS 12 37 Bratislava

 

Abstract: C-Benzoyl-N-phenylnitrone reacts with dihydrothiophene derivatives (2,3-dihydro- and 2,5-dihydrothiophene) via 1,3-dipolar cycloaddition to give diastereoisomeric pair of exo- and endo-cycloadducts. In case of N-methylpyrrole a substitution product is formed. Thiophene and benzothiophene did not react with the above-mentioned nitrone, decomposition products of nitrone were formed only.

Full paper in Portable Document Format: 376a819.pdf

 

Chemical Papers 37 (6) 819–825 (1983)

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