Microwave‐prompted Reaction of Cinnamonitrile Derivatives with 5,5‐Dimethyl‐1,3‐cyclohexanedione
Shu‐Jiang TuDepartment of Chemistry, Xuzhou Normal University, Xuzhou, Jiangsu 221009, ChinaChun‐Bao MiaoDepartment of Chemistry, Xuzhou Normal University, Xuzhou, Jiangsu 221009, ChinaYuan GaoDepartment of Chemistry, Shenzhen University, Shenzhen, Guangdong 518060, ChinaYoujian FengDepartment of Chemistry, Xuzhou Normal University, Xuzhou, Jiangsu 221009, ChinaJun‐Cai FengDepartment of Chemistry, Nanjing University, Nanjing, Jiangsu 210093, China
2002en
ABI
Аннотация
Abstract In the reactions of α‐cyanocinnamonitrile or β‐cyano‐β‐carbothoxy styrene with 5,5‐dimethyl‐1,3‐cyclohexanedione in the presence of ammonium acetate under microwave irradiation without solvent, the 2‐amino‐5,6,7,8‐tetrahydro‐5‐oxo‐4‐aryl‐7,7‐dimethyl‐4H‐benzo‐[ b ]‐pyran derivatives were obtained. However, in the reactions of arylidenecyanoacetamide with 5,5‐dimethyl‐l,3‐cyclohexanedione under the same reaction conditions, the acridine derivatives were obtained. The structures of the products were determined by single crystal X‐ray diffraction analysis.
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