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Chem Commun (Camb). 2010 Sep 21;46(35):6536-8. doi: 10.1039/c0cc01830a. Epub 2010 Aug 11.

Three different product types from reactions of lithiated cyclic aminals with trivalent organometal chlorides.

Author information

1
University of Bielefeld, Universitätsstrasse 25, 33615 Bielefeld, Germany.

Abstract

The reaction of 2-lithio-1,3,5-trimethyl-1,3,5-triazacyclohexane with YCp(2)Cl leads to the formation of a donor-functionalised mono-anionic amide ligand, 1,3,5-trimethyl-2-(methylamidomethyl)-1,3,5-triazacyclohexane, bonded to the YCp(2) unit. The reaction involves a cleavage of the 1,3,5-triazacyclohexane ring and such a cleavage is also observed in the analogous reaction with (Me(3)C)(2)GaCl, where a MeN[double bond, length as m-dash]CH(-) fragment is formed. No such cleavage occurs in the reaction of the related dilithiated bicyclic bis(3-methyl-1,3-diazacyclohex-1-yl)methane with YCpCl(2).3thf, which affords a mixed lithium-yttrium organyl.

PMID:
20714557
DOI:
10.1039/c0cc01830a

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