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Bifunctional activation of cyanoguanidine. Synthesis and molecular structure of the azametallacycle cis-[(PPh3)2Pt{NHC(OMe)=NC(NH2)=NH}] [BPh4]

DOI: 10.1016/s0020-1693(97)05636-3

Source and publish data:

Inorganica Chimica Acta p. 267 - 270 (1997)

Update date:2022-08-29

Topics:

Authors:

Guedes Da Silva, M. Fátima C.Guedes Da Silva, M. Fátima C.

Ferreira, Cristina M. P.Ferreira, Cristina M. P.

Branco, Elsa M. P. R. P.Branco, Elsa M. P. R. P.

Fraústo Da Silva, Jo?o J. R.Fraústo Da Silva, Jo?o J. R.

Pombeiro, Armando J. L.Pombeiro, Armando J. L.

Michelin, Rino A.Michelin, Rino A.

Belluco, UmbertoBelluco, Umberto

Bertani, RobertaBertani, Roberta

Mozzon, MirtoMozzon, Mirto

Bombieri, GabriellaBombieri, Gabriella

Benetollo, FrancoBenetollo, Franco

Kukushkin, Vadim Yu.Kukushkin, Vadim Yu.

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Article abstract of DOI:10.1016/s0020-1693(97)05636-3

The cyanoguanidine complex cis-[Pt{NCNC(NH2)2}2(PPh3) 2] [BPh4]2, prepared by reacting cis-[PtCl2(PPh3)2] with cyanoguanidine in the presence of Na[BPh4], readily reacts with methanol to give cis-[(PPh3)2Pt{NHC(OMe)=NC(NH2)=NH}] [BPh4] containing a novel type of azametallacycle whose molecular structure is established by X-ray crystallography. Its formation involves metal-promoted nucleophilic addition of the alcohol to the cyano group of a cyanoguanidine ligand, combined with deprotonation of the guanidine unit which then chelates the Pt(II) centre.

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Full text of DOI:10.1016/s0020-1693(97)05636-3

Products guided by the article

Product name:cis-[(PPh3)2Pt(NHC(OMe)=NC(NH2)=NH)][BPh4]

Cas No:198331-08-7

198331-08-7

R&D Labs maybe for 198331-08-7

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