稻壳灰负载FeCl2·2H2O:一个温和高效的多相催化剂用于Friedlnder杂成环反应合成多取代喹啉(英文)  

Rice husk ash supported FeCl_2·2H_2O: A mild and highly efficient heterogeneous catalyst for the synthesis of polysubstituted quinolines by Friedlnder heteroannulation

在线阅读下载全文

作  者:Farhad Shirini Somayeh Akbari-Dadamahaleh Ali Mohammad‐Khah 

机构地区:[1]Department of Chemistry, College of Sciences, University of Guilan

出  处:《催化学报》2013年第12期2200-2208,共9页

摘  要:Rice husk ash was used as a new, green, and cheap adsorbent for FeCl3. Characterization of the obtained reagent showed that rice husk ash supported FeCl2·2H2O was formed. This reagent is efficient at catalyzing the synthesis of multisubstituted quinolines by the Friedl鋘der heteroannulation of o‐aminoaryl ketones with ketones or β‐diketones under mild reaction conditions. This methodology allows for the synthesis of a broad range of substituted quinolines in high yields and with excellent regioselectivity in the absence of a solvent.Rice husk ash was used as a new, green, and cheap adsorbent for FeCl3. Characterization of the obtained reagent showed that rice husk ash supported FeCl2·2H2O was formed. This reagent is efficient at catalyzing the synthesis of multisubstituted quinolines by the Friedl鋘der heteroannulation of o‐aminoaryl ketones with ketones or β‐diketones under mild reaction conditions. This methodology allows for the synthesis of a broad range of substituted quinolines in high yields and with excellent regioselectivity in the absence of a solvent.

关 键 词:Rice husk ash Supported FeCl2·2H2O QUINOLINES 2‐Amino BENZOPHENONE Solvent‐free Friedlader heteoannulation 

分 类 号:O626[理学—有机化学]

 

参考文献:

正在载入数据...

 

二级参考文献:

正在载入数据...

 

耦合文献:

正在载入数据...

 

引证文献:

正在载入数据...

 

二级引证文献:

正在载入数据...

 

同被引文献:

正在载入数据...

 

相关期刊文献:

正在载入数据...

相关的主题
相关的作者对象
相关的机构对象