Rare-Earth Metal Chlorides Catalyzed One-pot Syntheses of Quinolines under Solvent-free Microwave Irradiation Conditions

在微波照耀和没有溶剂的条件下面，稀土元素的金属氯化物(RECl3 ) 是有效催化剂让喹啉衍生物的一个壶合成交上产品对通过醛，胺，和炔属羟的多部件反应的优秀收益好。没有催化活动的著名损失，稀土元素的金属氯化物能在六次被再循环。这条新合成途径有一短反应时间，产品的高收益，运作的简洁，宽广底层范围，环境地友好的性质和商业地可得到的催化剂的突出的特征。它在器官的合成作为催化剂扩大稀土元素的金属混合物的应用。

Under microwave irradiation and solvent-free conditions, rare-earth metal chlorides （RECl3） have been efficient catalysts for one-pot synthesis of quinoline derivatives to give products in good to excellent yields through the mul- ti-component reactions of aldehydes, amines, and alkynes. The rare-earth metal chlorides can be recycled for six times without notable loss of catalytic activities. This new synthetic approach has prominent features of a short re- action time, high yields of products, operational simplicity, broad substrate scopes, environmentally friendly prop- erty and commercially available catalysts. It extends the applications of rare-earth metal compounds as catalysts in organic synthesis.