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Synlett 1991; 1991(5): 359-360
DOI: 10.1055/s-1991-34733
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Stabilisation of 3,4-Dihydro-2H-pyrrole (1-Pyrroline) by Complexation with Zinc Iodide

George Baxter* , Jill C. Melville, David J. Robins
  • *Department of Chemistry, University of Glasgow, Glasgow G12 8QQ, Scotland
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Publikationsdatum:
07. März 2002 (online)

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Two molecules of 3,4-dihydro-2H-pyrrole (1-pyrroline) combine with zinc iodide to form a stable, crystalline complex [bis(3,4-dihydro-2H-pyrrol-1-yl)diiodozinc(II)] in good yield. The 1-pyrroline can be readily regenerated with base or used directly in methanol with 3-oxo acids for the efficient preparation of 2-(acylmethyl)pyrrolidine derivatives.