Palladium aminopyridine complexes catalyzed selective benzylic C–H oxidations with peracetic acid

Palladium aminopyridine complexes catalyzed selective benzylic C–H oxidations with peracetic acid Научная публикация

Журнал

Dalton Transactions
ISSN: 1477-9234 , E-ISSN: 1477-9226

Вых. Данные

Год: 2020, Том: 49, Номер: 32, Страницы: 11150-11156 Страниц : 7 DOI: 10.1039/d0dt02247k

Авторы

Lubov Dmitry P. ^1,2 , Lyakin Oleg Yu. ^1,2 , Samsonenko Denis G. ^2,3 , Rybalova Tatyana V. ^2,4 , Talsi Evgenii P. ^1,2 , Bryliakov Konstantin P. ^1,2

Организации

1	Boreskov Institute of Catalysis, Pr. Lavrentieva 5, Novosibirsk 630090, Russia
2	Novosibirsk State University
3	Nikolaev Institute of Inorganic Chemistry
4	Vorozhtsov Novosibirsk Institute of Organic Chemistry, Pr. Lavrentieva 9, Novosibirsk 630090, Russia

Four palladium(II) complexes with tripodal ligands of the tpa family (tpa = tris(2-pyridylmethyl)amine) have been synthesized and X-ray characterized. These complexes efficiently catalyze benzylic C–H oxidation of various substrates with peracetic acid, affording the corresponding ketones in high yields (up to 100%), at <1 mol% catalyst loadings. Complex [(tpa)Pd(OAc)](PF6) with the least sterically demanding ligand tpa demonstrates the highest substrate conversions and ketone selectivities. Preliminary mechanistic data provide evidence in favor of metal complex-mediated rate-limiting benzylic C–H bond cleavage by an electron-deficient oxidant.

Lubov D.P. , Lyakin O.Y. , Samsonenko D.G. , Rybalova T.V. , Talsi E.P. , Bryliakov K.P.
Palladium aminopyridine complexes catalyzed selective benzylic C–H oxidations with peracetic acid
Dalton Transactions. 2020. V.49. N32. P.11150-11156. DOI: 10.1039/d0dt02247k WOS Scopus OpenAlex

Поступила в редакцию:	25 июн. 2020 г.
Принята к публикации:	28 июл. 2020 г.
Опубликована online:	29 июл. 2020 г.

Web of science:	WOS:000561080600008
Scopus:	2-s2.0-85089711410
OpenAlex:	W3045631107

БД	Цитирований
OpenAlex	16
Scopus	14
Web of science	16