2003 Pyrrole derivatives

200333.fm Page 125 Thursday, July 17, 2003 3:22 PM

Pyrrole derivativesR 0120 Efficient Intramolecular Hydroamination of Unactivate Alkenes Catalyzed by

Butyllithium. — An intramolecular hydroamination of unactivated double bonds cat-alyzed by small quantities of BuLi is reported. A number of primary and secondary amines is converted into a variety of pyrrolidines or piperidines in high yield under mild conditions. — (ATES*, A.; QUINET, C.; Eur. J. Org. Chem. 2003, 9, 1623-1626; Dep. Chim., Univ. Cathol. Louvain, B-1348 Louvain-la-Neuve, Belg.; Eng.) — Bartels

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