400877-26-1Relevant articles and documents
Electrophotocatalysis with a Trisaminocyclopropenium Radical Dication
Huang, He,Strater, Zack M.,Rauch, Michael,Shee, James,Sisto, Thomas J.,Nuckolls, Colin,Lambert, Tristan H.
supporting information, p. 13318 - 13322 (2019/08/12)
Visible-light photocatalysis and electrocatalysis are two powerful strategies for the promotion of chemical reactions. Here, these two modalities are combined in an electrophotocatalytic oxidation platform. This chemistry employs a trisaminocyclopropenium (TAC) ion catalyst, which is electrochemically oxidized to form a cyclopropenium radical dication intermediate. The radical dication undergoes photoexcitation with visible light to produce an excited-state species with oxidizing power (3.33 V vs. SCE) sufficient to oxidize benzene and halogenated benzenes via single-electron transfer (SET), resulting in C?H/N?H coupling with azoles. A rationale for the strongly oxidizing behavior of the photoexcited species is provided, while the stability of the catalyst is rationalized by a particular conformation of the cis-2,6-dimethylpiperidine moieties.
Chemoselective and regiospecific formylation of 1-phenyl-1H-pyrazoles through the duff reaction
De Oliveira,Mairink,Pazini,Liao,De Oliveira,Viegas Jr.,De Oliveira,Cunha,Oliveira,Paz Jr.,Eberlin,Menegatti, Ricardo
supporting information, p. 1633 - 1639 (2013/05/22)
The synthesis of formylated 1-phenyl-1H-pyrazole derivatives under the Duff reaction conditions is reported. Our results indicate that 1-phenyl-1H-pyrazole systems containing electron-withdrawing and electron-donating substituents at the phenyl moiety rea
Complete assignment of NMR data of 22 phenyl-1H-pyrazoles' derivatives
De Oliveira, Aline Lima,Alves De Oliveira, Carlos Henrique,Mairink, Laura Maia,Pazini, Francine,Menegatti, Ricardo,Liao, Luciano Morais
scheme or table, p. 537 - 542 (2011/10/09)
Complete assignment of 1H and 13C NMR chemical shifts and J(1H/1H and 1H/19F) coupling constants for 22 1-phenyl-1H-pyrazoles' derivates were performed using the concerted application of 1H 1D and 1H, 13C 2D gs-HSQC and gs-HMBC experiments. All 1-phenyl-1H-pyrazoles' derivatives were synthesized as described by Finar and co-workers. The formylated 1-phenyl-1H-pyrazoles' derivatives were performed under Duff's conditions. Copyright
TRIAZOLE COMPOUNDS AND THEIR USE AS METABOTROPIC GLUTAMATE RECEPTOR ANTAGONISTS
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Page/Page column 44, (2010/02/13)
The present invention relates to new compounds of formula (I), wherein P, Q, X1, X2, X3, X4 X7, X8, R1, R2, R3, m, n, and p are as defined as in formula (I)