One-Pot Synthesis of 2-Amino-4-aryl-3-carbalkoxy-7,7-dimethyl-5,6,7,8-tetrahydrobenzo[b]pyran Derivatives Catalyzed by KF/Basic A1_2O_3 Under Ultrasound Irradiation

Ji-Tai Li; Wen-Zhi Xu; Li-Chao Yang; Tong-Shuang Li

首页> 外文期刊>Synthetic Communications >One-Pot Synthesis of 2-Amino-4-aryl-3-carbalkoxy-7,7-dimethyl-5,6,7,8-tetrahydrobenzo[b]pyran Derivatives Catalyzed by KF/Basic A1_2O_3 Under Ultrasound Irradiation

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One-Pot Synthesis of 2-Amino-4-aryl-3-carbalkoxy-7,7-dimethyl-5,6,7,8-tetrahydrobenzo[b]pyran Derivatives Catalyzed by KF/Basic A1_2O_3 Under Ultrasound Irradiation

机译：超声辐照KF / Basic A1_2O_3催化一锅法合成2-氨基-4-芳基-3-碳烷氧基-7,7-二甲基-5,6,7,8-四氢苯并[b]吡喃衍生物

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Synthesis of 2-amino-4-aryl-3-carbalkoxy-7,7-dimethyl-5-oxo-5,6,7,8-tertrahydrobenzo[b]pyran derivatives was carried out in 81-98% yields by one-pot condensation of aromatic aldehydes with cyanoacetic esters and 5,5-dimethyl-1,3-cyclohexanedione catalyzed by KF/basic A1_2O_3 at room temperature under ultrasound irradiation.

机译：2-氨基-4-芳基-3-碳烷氧基-7,7-二甲基-5-氧代5,6,7,8-四氢苯并[b]吡喃衍生物的合成以81-98％的收率通过一个- KF /碱性A1_2O_3在室温下超声辐射下芳香醛与氰基乙酸酯和5,5-二甲基-1,3-环己二酮的釜缩合。

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来源
《Synthetic Communications》 |2004年第24期|共7页
作者
Ji-Tai Li; Wen-Zhi Xu; Li-Chao Yang; Tong-Shuang Li;
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原文格式 PDF
正文语种 eng
中图分类有机化学;
关键词
Benzopyrans; 5; 5-Dimethyl-1; 3-cyclohexanedione; Supported catalyst; Ultrasound; One-pot synthesis;

机译：苯并吡喃;5;5-二甲基-1;3-环己二酮;负载型催化剂;超声;一锅合成;

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1. One-Pot Synthesis of 2-Amino-4-aryl-3-carbalkoxy-7,7-dimethyl-5,6,7,8-tetrahydrobenzo[b]pyran Derivatives Catalyzed by KF/Basic A1_2O_3 Under Ultrasound Irradiation [J] . Ji-Tai Li, Wen-Zhi Xu, Li-Chao Yang, Synthetic Communications . 2004,第24期

机译：超声辐照KF / Basic A1_2O_3催化一锅法合成2-氨基-4-芳基-3-碳烷氧基-7,7-二甲基-5,6,7,8-四氢苯并[b]吡喃衍生物
2. Rapid and Efficient One-Pot Synthesis of 3,4-Dihydroquinoxalin-2-Amine Derivatives Catalyzed by Co3O4@SiO2 Core-Shell Nanoparticles Under Ultrasound Irradiation [J] . Ghasemzadeh Mohammad Ali, Mirhosseini-Eshkevari Boshra, Abdollahi-Basir Mohammad Hossein Combinatorial chemistry & high throughput screening . 2016,第7期

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One-Pot Synthesis of 2-Amino-4-aryl-3-carbalkoxy-7,7-dimethyl-5,6,7,8-tetrahydrobenzo[b]pyran Derivatives Catalyzed by KF/Basic A1_2O_3 Under Ultrasound Irradiation

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