Isolation and characterisation of the mixed-metal alkyl amide [(TMEDA)Na(mu-Bu)(mu-TMP)Mg(TMP)], an unexpected chelate-trapped intermediate in the formation of inverse crowns.

Autor: Hevia E; Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow, UK G1 1XL., Gallagher DJ, Kennedy AR, Mulvey RE, O'Hara CT, Talmard C
Jazyk: angličtina
Zdroj: Chemical communications (Cambridge, England) [Chem Commun (Camb)] 2004 Nov 07 (21), pp. 2422-3. Date of Electronic Publication: 2004 Sep 23.
DOI: 10.1039/b410293b
Abstrakt: Only two-fold amination occurs when 3 molar equivalents of TMPH are offered to a 1:1 BuNa-Bu2Mg mixture; adding TMEDA gives the mixed alkyl amide [(TMEDA)Na(mu-Bu)(mu-TMP)Mg(TMP)], which itself affords the phenyl-bridged analogue when reacted with benzene.
Databáze: MEDLINE