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

✍ Scribed by Renzo Ros; Jacques Renaud; Raymond Roulet

• Publisher: John Wiley and Sons
• Year: 1975
• Tongue: German
• Weight: 457 KB
• Volume: 58
• Category: Article
• ISSN: 0018-019X
• DOI: 10.1002/hlca.19750580118

✦ Synopsis

The oxidative addition of XRCN to PtL4 yields cis-and/or trans-F'tX(RCN)L, (X = C1, Br; R = (CHS)~, n = 1, 2, 3; L = PPh,, PPh,CH,, AsPh,). 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-lrulzs isomerization catalyzed by free L occurs in dichloromethane.

Insertion of CO in the u Pt-C bond takes place quantitatively in the case of cyanoethyl and cyanopropyl. Abstraction of X by AgBF, gives cis or tralzs cationic complexes with N-bonded CN group.