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1,3‐Dipolar Cycloreversions

1979; Wiley; Volume: 18; Issue: 10 Linguagem: Inglês

10.1002/anie.197907211

1521-3773

Giorgio Bianchi, Carlo De Micheli, Remo Gandolfi,

Synthesis and Biological Evaluation

Abstract The 1,3‐dipolar cycloreversion reaction represents a general scheme of fragmentation of pentaatomic heterocycles to produce 1,3‐dipolar systems and dipolarophiles. This review summarize cycloreversions which give rise to octet‐stabilized 1,3‐dipoles. The reaction can be either thermal or photochemical or electron impact induced. The aim of the article is to survey the published results, to emphasize the synthetic potential of this reaction, and to stimulate the study of its several not yet unambiguously defined mechanistic aspects.