Abstract

Stereoselective 1,3-dipolar cycloadditions of nitrilimines represents a useful tool in the obtainment of a number of enantiopure heterocycles containing the 4,5-dihydropyrazole ring. The literature data on this subject are reviewed in a systematic way for both inter-and intramolecular processes, with an emphasis to their versatile potential in heterocyclic synthesis.

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