Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Ping ZOU"'
Autor:
Guo-Yu Zhang, Wang-Bin Sun, Jian-Ping Zou, Runsheng Zeng, Zhang Peizhi, Jian-Fei Xue, Li‐Tao An
Publikováno v:
ChemInform. 47
Publikováno v:
ChemInform. 47
This novel methodology for the 3-methylation of coumarins proceeds via a radical mechanism and tolerates a wide range of functional groups.
Publikováno v:
ChemInform. 46
Publikováno v:
ChemInform. 46
Aside the shown failed reactions, the following substrates also do not react: allylbenzene and 4-phenylbut-1-ene as well as 2-sulfanylfuran and -pyridine.
Publikováno v:
ChemInform. 46
A novel Cu(OAc)2·H2O catalyzed coupling reaction of N-substituted-2-iodobenzamides with malononitrile to afford N-substituted-3-amino-4-cyano-isoquinoline-1(2H)-ones is described. The reaction proceeded in DMSO at 90°C for 5 h in nitrogen without e
Publikováno v:
Chinese Journal of Chemistry. 24:1062-1065
Ullmann-type diaryl ether synthesis can be performed at 100 °C in good to excellent yields by aryl iodides as the substrates under the assistance of copper(II) and 2,2′-biimidazolyl.
Publikováno v:
ChemInform. 45
Publikováno v:
ChemInform. 45
This reaction can be further extended for analogous substrates for the synthesis of indene, benzoannulene, and other heterocyclic skeletons.
Publikováno v:
Organic Letters. 8:5291-5293
[Structure: see text] A new method for direct phosphonation of thiazoles, furans, and pyrroles is introduced. Reactions of the heteroaryl compounds with dimethyl or diethyl phosphites and Mn(OAc)(3).2H2O under mild conditions give phosphonated produc
Publikováno v:
ChemInform. 43
A new approach for the synthesis of 2-substituted quinoxalines by Ga(ClO4)3-catalyzed cycloaddition of α-hydroxyketones and o-phenylenediamines is introduced. The reaction is catalyzed by 10 mol % of Ga(ClO4)3 in EtOH at room temperature. It is perf