Zobrazeno 1 - 10
of 138
pro vyhledávání: '"Guolin Cheng"'
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-6 (2020)
The direct cleavage of C(CO)−C single bonds is usually restricted to strained ketone substrates or to chelating assistance. Here, the authors show a rhodium(II)-catalyzed three-component reaction of 1,3-diones, diazoesters, and DMF, leading to an u
Externí odkaz:
https://doaj.org/article/0ea7198f1b3b44dba9647247a33a867d
Publikováno v:
Synthesis. 54:3729-3738
In this work, a Rh(I)-catalyzed C3-alkenylation of 2,2′-bipyridine-6-carboxamide with terminal and internal alkynes was developed, providing an efficient access to a broad range of alkenylated 2,2′-bipyridine derivatives with exclusive regiosel
Publikováno v:
Organic Chemistry Frontiers. 9:4388-4393
The synthesis of 3-trifluoromethylisoquinolinones by a ruthenium(ii)-catalyzed C–H activation/annulation reaction of benzoic acids and CF3-imidoyl sulfoxonium ylides has been achieved.
Publikováno v:
The Journal of Organic Chemistry. 87:1124-1132
Publikováno v:
Organic Letters. 23:7407-7411
A lithium-bromide-promoted nucleophilic substitution/annulation cascade reaction between CF3-imidoyl sulfoxonium ylides and 1,3-dicarbonyl compounds has been established, and the corresponding 1,2,3-trisubstituted 5-trifluoromethylpyrroles have been
Publikováno v:
Chinese Journal of Chemistry. 39:2781-2788
Publikováno v:
The Journal of Organic Chemistry. 86:10407-10413
A base-mediated semihydrogenation of ynamides using p-toluenesulfonyl hydrazide as an inexpensive and easy-to-handle hydrogen donor is reported. This transition-metal-free protocol avoids overhydrogenation and reduction of other functional groups, ge
Publikováno v:
Advanced Synthesis & Catalysis. 363:4085-4090
Publikováno v:
The Journal of Organic Chemistry. 86:6423-6432
A novel copper-catalyzed cyclization of readily available vinyl azides with CF3-ynones is steadily achieved under mild conditions to furnish the versatile 2,4-diaryl-6-trifluoromethylated pyridine products, which are of great interest in medicinal ch
Publikováno v:
ACS Catalysis. 10:10516-10522
A palladium/DPEphos-catalyzed intermolecular trans-selective carbofunctionalization of internal alkynes has been established herein. This method proceeds through a formal anti-carbopalladation, for...