期刊
INORGANICA CHIMICA ACTA
卷 363, 期 6, 页码 1262-1268出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2010.01.023
关键词
C-N cross coupling reactions; Buchwald-Hartwig reaction; Palladium complexes; Palladacycles; Pincer compounds; Crystal structures; Catalysis
资金
- CONACYT [F58692]
- DGAPA-UNAM [IN227008]
The reaction of the imino compound [C6H4-1-(OH)-3-(CH=NC6H2-2,4,6-Me-3)] (1)with [Pd(COD)Cl-2] affords in good yields the cyclometalated product [PdCl(H2NC6H2-2,4,6-Me-3){C6H3-2-(O-H)-6-(CH=NC6H2-2,4,6-Me-3)}](2), both species being unequivocally identified by single crystal X-ray structure analysis. Careful analysis of both structures in the solid state reveals the presence of important hydrogen bond interactions, leading in the case of the Pd(II)derivative to the formation of a pseudo-pincer/non-covalent pincer compound [PdCl(H2NC6H2-2,4,6-Me-3){C6H3-2-(O-H)-6-(CH=NC6H2-2,4,6-Me-3)}] (2). The catalytic activity of this species was examined in Buchwald-Hartwig C-N cross coupling of morpholine with a series of p-substituted bromo-benzenes. (C) 2010 Elsevier B.V. All rights reserved.
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