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| 1 | One-pot aqueous-phase synthesis of quinoxalines through oxidative cyclization of deoxybenzoins with 1,2-phenylenediamines catalyzed by a zwtterionic Cu(Ⅱ)/calix[4]arene complex显示文摘A green protocol for the synthesis of quinoxalines has been developed from catalytic oxidative cyclization of deoxybenzoins with 1,2-phenylenediamines in water.The optimal conditions are involved in the use of a water-soluble mononuclear copper(Ⅱ) complex of a zwitterionic calix[4]arene[Cu(Ⅱ)LCH_2O)]I_2(1,H_4L=[5,ll,17,23-tetrakis(trimethylammonium)-25,26,27,28-tetrahydroxycalix[4]arene]) as a catalyst in alkali solution after refluxing for 15 h in O_2.The target quinoxaline and its derivatives were obtained in good yields(up to 88%).The procedure described in this paper is simple,practical and environmentally benign. | Jun Gao Zhi-Gang Ren Jian-Ping Lang | 2017 | Chinese Chemical Letters2017，28，5： | 1 |
| 2 | 基于邻苯二胺合成喹喔啉类化合物的研究进展显示文摘喹喔啉类化合物是一类重要的含氮芳杂环化合物,在材料、农药、医药等领域有着广泛的应用。本文对以邻苯二胺与邻二醇、1,2-二羰基化合物、α-溴代酮、α-羟基酮、芳基乙炔、环氧化合物及其他试剂等合成喹喔啉类化合物的方法进行综述,并对喹喔啉类化合物合成的研究前景进行了展望。 | 税红灵 钟瑜红 罗人仕 张占义 刘子仪 王新颖 罗年华 | 2022 | 赣南医学院学报2022，42，9： | 0 |
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