Cyanoalkyl Complexes of Platinum (II). I . Preparation and Spectroscopic Properties | Zendy

Ros Renzo | Zendy; Renaud Jacques | Zendy; Roulet Raymond | Zendy

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Cyanoalkyl Complexes of Platinum (II). I . Preparation and Spectroscopic Properties

Author(s) -

Ros Renzo,

Renaud Jacques,

Roulet Raymond

Publication year - 1975

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19750580118

Subject(s) - chemistry , isomerization , cationic polymerization , dichloromethane , platinum , oxidative addition , medicinal chemistry , catalysis , trans effect , stereochemistry , polymer chemistry , crystallography , crystal structure , organic chemistry , solvent

The oxidative addition of XRCN to PtL 4 yields cis ‐and/or trans ‐PtX(RCN)L 2 (X = Cl, Br; R = (CH 2 ) n , n = 1, 2, 3; L = PPh 3 , PPh 2 CH 3 , AsPh 3 ). L is readily displaced by more basic phosphines or by a diphosphine. In each case the trans complex is the thermodynamically more stable isomer and cis ‐ trans isomerization catalyzed by free L occurs in dichloromethane. Insertion of CO in the σ PtC bond takes place quantitatively in the case of cyanoethyl and cyanopropyl. Abstraction of X by AgBF 4 gives cis or trans cationic complexes with N‐bonded CN group.

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