Three-component condensation of 3-aminothiophene derivatives with isatines and Meldrum’s acid. Synthesis of 2,5′-dioxo-3′-phenyl-5′,6′-dihydro-4′H-spiro[indoline-3,7′-thieno[3,2-b]pyridine]-2′-carboxylic acids
作者:B. V. Lichitsky、R. M. Belyi、A. N. Komogortsev、A. A. Dudinov、M. M. Krayushkin
DOI:10.1007/s11172-013-0136-8
日期:2013.4
A method for the synthesis of 2,5′-dioxo-3′-phenyl-5′,6′-dihydro-4′H-spiro[indoline-3,7′-thieno[3,2-b]pyridine]-2′-carboxylic acids was elaborated based on the three-component condensation of 3-aminothiophenes, Meldrum’s acid, and isatines.
2,5'-dioxo-3'-phenyl-5',6'-dihydro-4'H-spiro[indoline-3,7'-thieno[3,2-b]pyridine]-的合成方法2'-羧酸是基于 3-氨基噻吩、Meldrum 酸和靛红的三组分缩合而制成的。