A highly efficient heterogeneous copper-catalyzed cascade reaction of 2-halobenzoic acids and amidines leading to quinazolinones

He Wen; Zhao Hong; Yao Ruiya; Cai Mingzhong

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A highly efficient heterogeneous copper-catalyzed cascade reaction of 2-halobenzoic acids and amidines leading to quinazolinones

机译：2-卤代苯甲酸和am的高效多相铜催化级联反应，生成喹唑啉酮

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The heterogeneous cascade reaction of 2-halobenzoic acids and amidines was achieved in DMF at 60 degrees C in the presence of 10 mol% of MCM-41-immobilized tridentate nitrogen copper(I) complex [MCM-41-3N-CuI] using Cs2CO3 as base, yielding a variety of quinazolinone derivatives in good to excellent yields. This heterogeneous copper catalyst can be easily prepared from commercially available and inexpensive reagents, and recovered by a simple filtration of the reaction solution and reused for at least 10 times without any decreases in activity.

机译：2-卤代苯甲酸和am的异质级联反应是在60°C的DMF中使用Cs2CO3在10 mol％的MCM-41固定的三齿氮铜（I）络合物[MCM-41-3N-CuI]存在下完成的作为碱，可产生各种喹唑啉酮衍生物，收率高至优异。该多相铜催化剂可以容易地由市售的廉价试剂制备，并且可以通过对反应溶液的简单过滤来回收，并且在不降低活性的情况下重复使用至少10次。

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《RSC Advances》 |2014年第91期|共10页
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He Wen; Zhao Hong; Yao Ruiya; Cai Mingzhong;
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中图分类化学;
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1. A highly efficient heterogeneous copper-catalyzed cascade reaction of 2-halobenzoic acids and amidines leading to quinazolinones [J] . He Wen, Zhao Hong, Yao Ruiya, RSC Advances . 2014,第91期

机译：2-卤代苯甲酸和am的高效多相铜催化级联反应，生成喹唑啉酮
2. A highly efficient heterogeneous copper-catalyzed Chan–Lam coupling reaction of sulfonyl azides with arylboronic acids leading to N-arylsulfonamides [J] . Chongren You, Fang Yao, Tao Yan, RSC Advances . 2016,第49期

机译：磺酰叠氮化物与芳基硼酸的高效非均相铜催化的Chan-am偶联反应导致N-芳基磺胺酰胺
3. A highly efficient heterogeneous palladium-catalyzed cascade three-component reaction of acid chlorides, terminal alkynes and hydrazines leading to pyrazoles [J] . Chen Qiurong, Yao Fang, Yin Lin, Journal of Organometallic Chemistry . 2016,第Null期

机译：高效多相钯催化酰基氯，末端炔烃和肼的级联三组分反应，生成吡唑
4. Polymer-Bound Perfluoroalkyl Sulfonic Acids and Their Ytterbium Salts:Highly Efficient Versatile Catalysts for Organic Reactions [C] . 7th International Symposium on Green Chemistry in China(7th ISGCC'2005) . 2005

机译：聚合物结合的全氟烷基磺酸及其Y盐：用于有机反应的高效通用催化剂
5. Methods to Access Highly Functionalized Amidines, Novel Ring-Fused Quinazolinones, and Guanidines via Quinazolinone Rearrangement [D] . Jaffett, Victor A. 2019

机译：通过喹唑啉酮重排获得高度官能化的idine，新型环稠合喹唑啉酮和胍的方法
6. Efficient Copper-Catalyzed Multicomponent Synthesisof N-Acyl Amidines via Acyl Nitrenes [O] . Kaj M. van Vliet, Lara H. Polak, Maxime A. Siegler, -1

机译：高效的铜催化多组分合成酰基硝基合成N-酰基Am
7. Highly efficient copper-catalyzed cascade synthesis of quinazoline and quinazolinone derivatives [O] . Huang C., Fu Y., Fu H., 2008

机译：铜的高效催化级联合成喹唑啉和喹唑啉酮衍生物

A highly efficient heterogeneous copper-catalyzed cascade reaction of 2-halobenzoic acids and amidines leading to quinazolinones

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