Effective preparation of 2-amino-3-cyano-4-aryl-5,10-dioxo-5,10-dihydro-4H-benzo[g]chromene and hydroxyl naphthalene-1,4-dione derivatives under ambient and solvent-free conditions
作者:Hamid Reza Shaterian、Majid Mohammadnia
DOI:10.1016/j.molliq.2012.10.012
日期:2013.1
The mild basic ionic liquids, 1,8-diazabicyclo[5.4.0]-undec-7-en-8-ium acetate, pyrrolidinium acetate, pyrrolidinium formate, piperidinium acetate, piperidinium formate, N-methylimidazolium formate, and 3-hydroxypropanaminium acetate catalyzed three-component synthesis of 2-amino-3-cyano-4-aryl-5,10-dioxo-5,10-dihydro-4H-benzo[g]chromene and hydroxyl naphthalene-1,4-dione derivatives under ambient
温和的碱性离子液体,1,8-二氮杂双环[5.4.0]-十一-7-en-8-乙酸铵,乙酸吡咯烷鎓,甲酸吡咯烷鎓,乙酸哌啶鎓,甲酸哌啶鎓,N-甲基咪唑鎓甲酸铵和3-羟基乙酸丙铵常温下2-氨基-3-氰基-4-芳基-5,10-二氧代-5,10-二氢-4 H-苯并[g]色烯和羟基萘-1,4-二酮衍生物的三组分催化合成和无溶剂条件。这些规程的优点是操作简单,收率高,反应时间短和对环境无害。廉价且无毒的离子液体可以重复使用几次,而不会明显降低其活性。相对于文献中的其他催化剂,提到的离子液体显示出优先权。