Synthesis of Functionalized 5-Amino-3(2H)-furanones via Base-Catalyzed Ring-Cleavage/Recyclization of 4-Cyano-3(2H)-furanones in the Presence of Water
作者:Olesya Shemyakina、Olga Volostnykh、Anton Stepanov、Igor Ushakov、Tatyana Borodina
DOI:10.1055/s-0037-1609916
日期:2018.12
Abstract 5-Alkyl/aryl/hetaryl-4-cyano-3(2H)-furanones undergo ring-cleavage/recyclization in the presence of water under mild conditions [MOH (M = Na, K), aqueous ethanol, 20–25 °C] to afford 4-acyl/aroyl/hetaroyl-5-amino-3(2Н)-furanones in 75–99% yields. 5-Alkyl/aryl/hetaryl-4-cyano-3(2H)-furanones undergo ring-cleavage/recyclization in the presence of water under mild conditions [MOH (M = Na, K)
摘要 5-烷基/芳基/杂芳基-4-氰基-3(2 H)-呋喃酮在水存在下于温和条件下[MOH(M = Na,K),乙醇水溶液,20–25° C],得到4-酰基/芳酰基/杂芳酰基-5-氨基-3-(2- Н) -呋喃酮在75-99%的产率。 5-烷基/芳基/杂芳基-4-氰基-3(2 H)-呋喃酮在水存在下于温和条件下[MOH(M = Na,K),乙醇水溶液,20–25° C],得到4-酰基/芳酰基/杂芳酰基-5-氨基-3-(2- Н) -呋喃酮在75-99%的产率。