Synthesis of fused 2′-amino-3′-R-spiro-[indole-3,4′-pyran]-2(1H)-ones
作者:L. A. Shemchuk、V. P. Chernykh、R. G. Red’kin
DOI:10.1134/s1070428008120117
日期:2008.12
An efficient one-pot procedure has been proposed for the synthesis of fused 2'-amino-3'-R-spiro-[indole-3,4'-pyran]-2(1H)-ones via base-catalyzed three-component condensation of isatins with the corresponding nitriles and 1,3-diketones.