期刊
ORGANOMETALLICS
卷 34, 期 9, 页码 1716-1724出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.5b00194
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资金
- NSF [CHE-1360985]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1360985] Funding Source: National Science Foundation
The reactivity of [Pd(dippe)(mu-H)](2) (1) and [(mu-dippe)Pd](2) (2) (dippe = 1,2-bis(diisopropylphosphino)ethane) toward C-S bonds in thiophene derivatives and thioethers was investigated, which led to C-S bond activation products. The thiapalladacycles derived from thiophenic substrates were fully characterized by H-1, P-31, and C-13 NMR spectroscopy, elemental analysis, and X-ray diffraction. The stability of the C-S insertion products was probed by performing competition experiments which follow the thermodynamic stability order (dippe)Pd(kappa C-2,S-benzothiophene) (6) > (dippe)Pd(kappa C-2,S-dibenzothiophene) (8) > (dippe)Pd(kappa C-2,S-thiophene) (3). The reactivity of the thiapalladacycles with small molecules such as H-2, CO, and alkynes was investigated.
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