ESR study of the reaction between the Ni(PPh3)(4) complex and Bronsted acids

Authors
Saraev, VV Kraikivskii, PB Zelinskii, SN Tkach, VS Shmidt, FK
Citation
Vv. Saraev et al., ESR study of the reaction between the Ni(PPh3)(4) complex and Bronsted acids, RUSS J C CH, 27(2), 2001, pp. 123-125
Citations number
4
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY
ISSN journal
10703284 → ACNP
Volume
27
Issue
2
Year of publication
2001
Pages
123 - 125
Database
ISI
SICI code
1070-3284(200102)27:2<123:ESOTRB>2.0.ZU;2-9
Abstract
The reaction of Ni(PPh3)(4) with acetic and trifluoroacetic acids is studie d by ESR. When Ni(PPh3)(4) reacts with protonic acids, oxidative addition o f the acid to the Ni(0) occurs along with contradisproportionation of the f ormed Ni(II) complexes with the Ni(0) complex. As a result, stable Ni(I) ca rboxylate complexes (PPh3)(3)Ni-OOCR are formed, where R = CH3, CF3. The am ounts of the formed Ni(I) carboxylate complexes and of the evolved hydrogen were found to depend on the rate of acid addition to the Ni(0) complex.