ChemInform Abstract: Copper‐Catalyzed Intramolecular Hydroamination of Allenylamines to 3‐Pyrrolines or 2‐Alkenylpyrrolidines.

Abstract

Pyrrole derivatives R 0120Copper-Catalyzed Intramolecular Hydroamination of Allenylamines to 3-Pyrrolines or 2-Alkenylpyrrolidines. -Cu(O-Tf) 2 is used as an optimal catalyst for the intramolecular hydroamination of α-allenylamines and γ-allenylamines. Investigations with substrate (Ia) reveal that CuCl, CuBr, CuI and CuCl2 are equally efficient. -(TSUHAKO, A.; OIKAWA, D.; SAKAI, K.; OKAMOTO*, S.; Tetrahedron Lett. 49 (2008) 46, 6529-6532; Dep. Mater. Life Chem., Kanagawa Univ., Kanagawa, Yokohama 221, Japan; Eng.) -Mais 08-136