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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 13, Number 2
BKCSDE 13(2)
February 20, 1992 

Oxidative Addition Reaction of Mono(aryl)cyanoplatinum(Ⅱ) Complex with Two Amino Ligands with the Dihalogens
Jaejung Ko*, Moonsik Kim, Seho Kim, Yookil Shin
The mono(aryl)cyanoplatinum(Ⅱ) complex [Pt(CN)(C6H3{CH2NMe2}2-2,6)] reacts with the dihalogens to yield the mono(aryl)cyanoplatinum complexes [PtX2(CN)(C6H3{CH2NMe2}2-2,6)] (X = Cl, Br, I). The structural configuration of the two halogen atoms for a square planar platinum complex was studied by 1H-NMR spectroscopy and led to a mixture of trans and cis orientation. The trans orientation was found to be more stable in energy (1.33 kcal/mol) than the cis orientation by means of Extended H ckel calculations. On the base of a combination of the analysis of 1H-NMR, 13C-NMR spectra and computational calculations it is assumed that the intermediate consists of an initial attack in the linear transition state, leading to the SN2 type mechanism.
135 - 139
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