Novel Route to Cationic Palladium(II)-Cyclopentadienyl Complexes Containing Phosphine Ligands and Their Catalytic Activities

Novel Route to Cationic Palladium(II)-Cyclopentadienyl Complexes Containing Phosphine Ligands and Their Catalytic Activities

Бібліографічні деталі
Parent link:Molecules
Vol. 28, iss. 10.— 2023.— [4141, 45 p.]
Співавтор: Национальный исследовательский Томский политехнический университет Исследовательская школа химических и биомедицинских технологий
Інші автори: Suslov D. S. Dmitry, Bykov M. V. Mikhail, Pakhomova M. V. Marina, Orlov T. S. Timur, Abramov Z. D. Zorikto, Suchkova A. V. Anastasia, Ushakov I. A. Igor, Abramov Р. A. Pavel Aleksandrovich, Novikov A. S. Alexander
Резюме:Title screen
The Pd(II) complexes [Pd(Cp)(L)n]m[BF4]m were synthesized via the reaction of cationic acetylacetonate complexes with cyclopentadiene in the presence of BF3∙OEt2 (n = 2, m = 1: L = PPh3 (1), P(p-Tol)3, tris(ortho-methoxyphenyl)phosphine (TOMPP), tri-2-furylphosphine, tri-2-thienylphosphine; n = 1, m = 1: L = dppf, dppp (2), dppb (3), 1,5-bis(diphenylphosphino)pentane; n = 1, m = 2 or 3: 1,6-bis(diphenylphosphino)hexane). Complexes 1-3 were characterized using X-ray diffractometry. The inspection of the crystal structures of the complexes enabled the recognition of (Cp-)⋯(Ph-group) and (Cp-)⋯(CH2-group) interactions, which are of C-H…π nature. The presence of these interactions was confirmed theoretically via DFT calculations using QTAIM analysis. The intermolecular interactions in the X-ray structures are non-covalent in origin with an estimated energy of 0.3-1.6 kcal/mol. The cationic palladium catalyst precursors with monophosphines were found to be active catalysts for the telomerization of 1,3-butadiene with methanol (TON up to 2.4∙104 mol 1,3-butadiene per mol Pd with chemoselectivity of 82%). Complex [Pd(Cp)(TOMPP)2]BF4 was found to be an efficient catalyst for the polymerization of phenylacetylene (PA) (catalyst activities up to 8.9 × 103 gPA·(molPd·h)−1 were observed)
Опубліковано: 2023
Предмети:
труды учёных ТПУ
электронный ресурс
palladium
cyclopentadienyl
acetylacetonate
1,3-butadiene
telomerization
phenylacetylene
Онлайн доступ:https://doi.org/10.3390/molecules28052136
Формат: Електронний ресурс Частина з книги
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669641

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