Silica-bonded propylpiperazine-N-sulfamic acid as recyclable solid acid catalyst for preparation of 2-amino-3-cyano-4-aryl-5,10-dioxo- 5,10-dihydro-4H-benzo[g]chromenes and hydroxy-substituted naphthalene-1,4-dione derivatives
作者:Fahime Khorami、Hamid Reza Shaterian
DOI:10.1016/s1872-2067(12)60761-x
日期:2014.2
Abstract An efficient method for the synthesis of 2-amino-3-cyano-4-aryl-5,10-dioxo-5,10-dihydro-4 H -benzo[ g ]chromenes and hydroxy-substituted naphthalene-1,4-dione derivatives, using silica-bonded propylpiperazine- N -sulfamic acid as a solid acid, green, heterogeneous catalyst, under ambient and solvent-free conditions, is described. A simple procedure, high yields, short reaction time, safety
摘要 一种合成2-氨基-3-氰基-4-芳基-5,10-二氧-5,10-二氢-4 H-苯并[g]色烯和羟基取代萘-1,4-的有效方法描述了在环境和无溶剂条件下使用二氧化硅键合的丙基哌嗪-N-氨基磺酸作为固体酸、绿色、多相催化剂的二酮衍生物。催化剂的简单程序、高产率、短反应时间、安全性和可重复使用性是这些协议的优点。