Synthesis of functionalized 2-vinyl-2,3-dihydropyrroles and 3-methylene-1,2,3,4-tetrahydropyridines by palladium-catalyzed cyclization of β-enaminocarbonyl compounds with allylic bisacetates
Synthesis of functionalized 2-vinyl-2,3-dihydropyrroles and 3-methylene-1,2,3,4-tetrahydropyridines by palladium-catalyzed cyclization of β-enaminocarbonyl compounds with allylic bisacetates
Tridentate P,N,N-ligand promoted copper-catalyzed [3 + 2] cycloaddition of propargylic esters with β-enamino esters: synthesis of highly functionalized pyrroles
作者:Qing Li、Chuan-Jin Hou、Yun-Ze Hui、Yan-Jun Liu、Rui-Feng Yang、Xiang-Ping Hu
DOI:10.1039/c5ra19304d
日期:——
A copper-catalyzed [3 + 2] cycloaddition of propargylicesters with β-enamino esters under mild reaction conditions for the construction of highlyfunctionalized pyrroles has been developed. By employment of a newly developed tridentate P,N,N-ligand, a variety of fully substituted pyrroles were achieved in good to high yields.
Synthesis of tetrasubstituted pyrroles by palladium-catalyzed cyclization of propargylic carbonates with β-enamino esters
作者:Masahiro Yoshida、Chiyuki Sugimura
DOI:10.1016/j.tetlet.2013.02.019
日期:2013.4
The reaction of propargylic carbonates with beta-enamino esters in the presence of palladium catalyst is described. Various tetrasubstituted pyrroles were regioselectively synthesized via a successive nucleophilic cyclization. (c) 2013 Elsevier Ltd. All rights reserved.
Synthesis of functionalized 2-vinyl-2,3-dihydropyrroles and 3-methylene-1,2,3,4-tetrahydropyridines by palladium-catalyzed cyclization of β-enaminocarbonyl compounds with allylic bisacetates
作者:Masahiro Yoshida、Kouki Kinoshita、Kosuke Namba
DOI:10.1039/c3ob42510j
日期:——
Palladium-catalyzed reactions of β-enaminocarbonyl compounds with 1,4-diacetoxybut-2-ene and 2-methylene-1,3-propanediol diacetate are described.