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Publikováno v:
Organic Chemistry Frontiers. 8:584-590
Switchable chemoselective conversion of 2-amido-aryl oxazolines to quinazolin-4(3H)-ones or N-(2-chloroethyl)benzamides is achieved. The former reaction is proposed to involve a PIFA-mediated 6π electrocyclization followed by an in situ nucleophilic
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 16, Iss 1, Pp 2920-2928 (2020)
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry
N-(Hetero)aryl-4,5-unsubstituted pyrroles were synthesized from (hetero)arylamines, 1,3-dicarbonyl compounds, and α-bromoacetaldehyde acetal by using aluminum(III) chloride as a Lewis acid catalyst through [1 + 2 + 2] annulation. This new versatile
Publikováno v:
The Journal of Organic Chemistry. 85:13983-13996
A series of palladium N-heterocyclic carbene (NHC) complexes of type trans-{(NHC)PdCl2L} (L = C5H5N, 3-ClC5H4N, and PPh3) (3-5) have been developed as efficient precatalysts for direct C-H bond arylation of various heteroarenes. In particular, an in
Autor:
Hikaru Takaya, Takuma Sato, Rikako Ishii, Raghu Nath Dhital, Daisuke Hashizume, Yoichi M. A. Yamada, Yasuhiro Uozumi, Abhijit Sen, Hao Hu
Publikováno v:
Organic Letters. 22:4797-4801
Herein, we report the development of aryl halide-dependent chemoselective reactions, viz., the Buchwald-Hartwig type coupling reaction of an aryl iodide with an arylboronic acid and an aryl amine in the presence of a heterogeneous and reusable nickel
Publikováno v:
Synlett. 31:1121-1125
In the present work, we have developed a practical methodology for the hydrodehalogenation of o-haloanilides using PdCl2 at 100 °C under mild conditions in water. The catalytic system could selectively dehalogenate both aryl chloride and aryl bromid
Publikováno v:
Eurasian Chemical Communications. 2:465-474
Pyridinium-1-sulfonic acid-2-carboxylic acid chloride {[Pyridine-1-SO3H-2-COOH]Cl} was synthesized and applied as a novel and efficient catalyst for the preparation of hexahydroquinolines by the one-pot multi-component condensation reaction of variou
Publikováno v:
Organic Letters. 22:3084-3088
We report a simple and efficient visible-light-induced transition-metal-free hydrogenation of aryl halides. The combined visible light and base system is used to initiate the desired radical-mediated hydrogenation. A variety of aryl fluorides, chlori
Publikováno v:
Organic Letters. 22:2816-2821
To date, the iron-catalyzed construction of C–heteroatom bonds has been less developed due to the difficulty of transmetalation with heteroatom anions and the sluggish reductive elimination. Herein...
Publikováno v:
Russian Journal of Organic Chemistry. 56:504-508
1-Methyl-3-sulfo-1H-imidazol-3-ium chloride ([Msim]Cl) catalyzed the condensation of β-naphthol with aromatic aldehydes under microwave irradiation. This method is efficient to synthesize dibenzoxanthene derivatives in excellent yields, and the cata
Publikováno v:
Macromolecules. 53:1536-1542
Poly(vinyl ether)s (PVEs) are useful materials of different applications. In this work, we have developed a versatile and highly efficient initiation approach based on thienyl chloride derivatives ...