Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/34670
標題: Palladacycles bearing pendant benzamidinate ligands as catalysts for the Suzuki and Heck coupling reactions
作者: Wu, K.M.
陳繼添
Huang, C.A.
Peng, K.F.
Chen, C.T.
關鍵字: pendant benzamidine
palladacyclic complexes
oxazoline
Suzuki
reaction
Heck reaction
palladium(ii) complexes
coordination chemistry
crystal-structure
polymerization catalysis
cyclometalated compounds
molecular-structures
magnesium complexes
amine functionality
x-ray
reactivity
期刊/報告no:: Tetrahedron, Volume 61, Issue 41, Page(s) 9679-9687.
摘要: Three pendant benzamidines [Ph-C(=NC6H5)-{NH(CH2)(2)NMe2}] (1), [Ph-C(=NC6H5)-{NH(CH2PY)}] (2) and [Ph-C (=NC6H5)-{NH(o-C6H4)(oxazoline)}] (3) are described. Reactions of 1, 2 or 3 with one molar equivalent of Pd(OAc)(2) in THF give the palladacyclic complexes [Ph-C{-NH(eta(1)-C6H4)} {=N(CH2)(2)NMe2}]Pd(OAc) (4), [Ph-C{NH(eta(1)-C6H4} {=N (CH2Py)}]Pd(OAc) (5) and [Ph-C{-NH(eta(1)-C6H4)} {=N(o-C6H4)(oxazoline)}]Pd(OAc) (6), respectively. Treatment of 4, 5 or 6 with excess of LiCl in chloroform affords [Ph-C{-NH(eta(1)-C6H4)} {=N(CH2)(2)NMe2}]PdCl (7), [Ph-C{-NH(eta(1)-C6H4} {=N(CH2Py}]PdCl (8) and [Ph-C{NH(eta(1)- C6H4)} {=N(o-C6H4)(oxazoline)}]PdCl (9). The crystal and molecular structures are reported for compounds 1, 3, 5, 6 and 7. The application of these palladacyclic complexes to the Suzuki and Heck coupling reactions was examined.(c) 2005 Elsevier Ltd. All rights reserved.
URI: http://hdl.handle.net/11455/34670
ISSN: 0040-4020
文章連結: http://dx.doi.org/10.1016/j.tet.2005.06.069
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