title: New, general, and practical enamine cyclopropanation using dichloromethane.
abstract: [reaction: see text] Dichloromethane serves as a novel electrophilic carbene equivalent which adds to an enamine double bond. The presence of other alkene moieties in the enamine partner is well tolerated. Even enamines derived from sterically hindered ketones react readily with dichloromethane promoted by TiCl(4)-Mg.
authors.affiliation: Department of Chemistry, National Chung-Hsing University, Taichung, Taiwan, Republic of China.
authors.forename: Chia-Chung
authors.initials: CC
authors.lastname: Tsai
authors.forename: I-Lin
authors.initials: IL
authors.lastname: Hsieh
authors.forename: Tsung-Ting
authors.initials: TT
authors.lastname: Cheng
authors.forename: Ping-Kuei
authors.initials: PK
authors.lastname: Tsai
authors.forename: Kuo-Wei
authors.initials: KW
authors.lastname: Lin
authors.forename: Tu-Hsin
authors.initials: TH
authors.lastname: Yan