• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Comptes Rendus Chimie >Sustainable approach to tandem catalysis: Expedient access to quinoxalines and pyrido[2,3-b]pyrazines from α-hydroxyketones via microwave-induced [(NH4)6Mo7O24·4H2O - PEG 300] polar paste catalyst system
【24h】

Sustainable approach to tandem catalysis: Expedient access to quinoxalines and pyrido[2,3-b]pyrazines from α-hydroxyketones via microwave-induced [(NH4)6Mo7O24·4H2O - PEG 300] polar paste catalyst system

机译：可持续的串联催化方法：通过微波诱导的[（NH4）6Mo7O24·4H2O-PEG 300]极性糊状催化剂体系，从α-羟基酮方便地获取喹喔啉和吡啶并[2,3-b]吡嗪

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

[(NH4)6Mo7O24·4H2O-PEG 300] is introduced as a polar paste catalyst system for tandem synthesis of quinoxalines and pyrido[2,3-b]pyrazines under open-vessel focused microwave irradiation. Low conversions were obtained when catalyst or PEG was used individually. Accordingly, a convenient combination of catalyst and PEG mostly led to quantitative yield of products within 15 min microwave irradiation with good turnover frequency values (1-20h~(11)) taking a tandem process into consideration. The salient features of this environmentally benign method are fast conversions, high product selectivity and the use of a low-cost, readily available, nontoxic, catalyst and medium.
机译：[[（NH4）6Mo7O24·4H2O-PEG 300]被引入作为极性糊状催化剂体系，用于在开放容器聚焦微波辐射下串联合成喹喔啉和吡啶并[2,3-b]吡嗪。当单独使用催化剂或PEG时，转化率低。因此，考虑到串联过程，催化剂和PEG的方便组合主要导致微波辐射15分钟内产物的定量收率具有良好的周转频率值（1-20h〜（11））。这种对环境无害的方法的显着特征是快速转化，高产品选择性以及使用低成本，易得，无毒的催化剂和介质。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号