Sciact
  • EN
  • RU

Giant Palladium Clusters as Catalysts of Oxidative Reactions of Olefins and Alcohols Научная публикация

Журнал Journal of Molecular Catalysis
ISSN: 0304-5102
Вых. Данные Год: 1989, Том: 53, Номер: 3, Страницы: 315-348 Страниц : 34 DOI: 10.1016/0304-5102(89)80066-5
Авторы Vargaftik M.N. 1 , Zagorodnikov V.P. 1 , Stolarov I.P. 1 , Moiseev I.I. 1 , Kochubey D.I. 2 , Likholobov V.A. 2 , Chuvilin A.L. 2 , Zamaraev K.I. 2
Организации
1 N. S. Kurnakov Institute of General and Inorganic Chemistry, Academy of Sciences of the U.S.S.R., Moscow 117907 (U.S.S.R.)
2 Institute of Catalysis, Siberian Branch of the U.S.S.R. Academy of Sciences, Novosibirsk 630090 (U.S.S.R.)
Реферат: Giant cationic palladium clusters approximated as Pd561L60(OAc)180 (L = phen, bipy) and Pd561phen60O60(PF6)60 were synthesized and characterized with high resolution TEM, SAXS, EXAFS, IR and magnetic susceptibility data. The results of these studies suggest that L and O ligands are bound to Pd atoms located on the surfaces of close-packed metal skeletons of the clusters, while OAc−1 and PF6− anions are outer-sphere ligands. Under mild conditions (293–363 K, l atm) the giant palladium clusters catalyze oxidative acetoxylation of ethylene into vinyl acetate, propylene into allyl acetate, and toluene into benzyl acetate; oxidation of primary aliphatic alcohols into esters; and conversion of aldehydes into acetals. Kinetics of oxidative acetoxylation of ethylene and propylene in solutions of the giant clusters were studied. A mechanism for these reactions is proposed, which includes the following steps: coordination of reagents by the cluster, oxidative addition of alkene to a Pd—Pd fragment and transfer of an electron pair from a Pd—H, Pd—vinyl, or Pd—allyl fragment to a coordinated molecule of oxidant (O2, peroxide, Pd(II)).
Библиографическая ссылка: Vargaftik M.N. , Zagorodnikov V.P. , Stolarov I.P. , Moiseev I.I. , Kochubey D.I. , Likholobov V.A. , Chuvilin A.L. , Zamaraev K.I.
Giant Palladium Clusters as Catalysts of Oxidative Reactions of Olefins and Alcohols
Journal of Molecular Catalysis. 1989. V.53. N3. P.315-348. DOI: 10.1016/0304-5102(89)80066-5 WOS Scopus РИНЦ CAPlusCA OpenAlex Sciact
Даты:
Поступила в редакцию: 10 авг. 1988 г.
Принята к публикации: 6 мар. 1989 г.
Опубликована в печати: 15 авг. 1989 г.
Опубликована online: 2 окт. 2001 г.
Идентификаторы БД:
Web of science: WOS:A1989AQ00200010
Scopus: 2-s2.0-0024716992
РИНЦ: 31074754
Chemical Abstracts: 1990:138372
Chemical Abstracts (print): 112:138372
OpenAlex: W1979970534
Sciact: 12838
Цитирование в БД:
БД Цитирований
Scopus 199
OpenAlex 184
Альметрики: