摘要
以NaHSO4为催化剂,在离子液体1-丁基-3-甲基咪唑四氟硼酸盐([bmim]BF4)介质中,由芳香醛与1,3-环己二酮衍生物制备了9-芳基-2,3,4,5,6,7-六氢-2H-氧杂蒽-1,8-二酮衍生物.在沸水浴中反应1～2h,产率达81.2%～93.0%.该方法反应时间短,产率高,催化剂价廉易得,而且对环境友好.
Abstract A series of 9-aryl-2,3,4,5,6,7-hexahydro-2H-xanthene-1,8-dione derivatives were synthesized from aromatic aldehydes and 1,3-cyclohexanedione derivatives catalyzed by NaHSO4 in ionic liquids, 1-n-butyl-3-methylimidazoliurn tetrafluoroborate （[bmim]BF4）. The reactions were carded out in boiling water bath for 1 -2 h, and the yield ranged from 1.2% to 93.0%. The catalyst employed is not expensive and the ionic liquid can be reusable. The proposed method is fast, efficient and environmentally friendly.
出处
《有机化学》
SCIE
CAS
CSCD
北大核心
2007年第5期640-642,共3页
Chinese Journal of Organic Chemistry
基金
河北农业大学非生命学科和新兴学科科研发展基金资助项目.
