国家自然科学基金(20872106)

作品数：8被引量：11H指数：2
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相关机构：苏州大学更多>>
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三氯化铁催化Biginelli型反应合成芳亚甲基稠环嘧啶酮被引量：7
《有机化学》2015年第7期1570-1575,共6页葛恬 宋洁 姚志刚 徐凡 
国家自然科学基金(Nos.21272168,20872106)资助项目~~
嘧啶酮及其官能化衍生物常具有重要生理活性,因此该类化合物的合成受到了众多化学家的关注.本工作以三氯化铁催化芳醛、脲(硫脲)和环戊酮的"一锅化"Biginelli-type缩合反应,在无溶剂、无保护的条件下合成了一系列芳亚甲基稠环嘧啶酮化合...
关键词：三氯化铁 催化 BIGINELLI反应 芳亚甲基稠环嘧啶酮 
Tandem addition-cyclization reaction catalyzed by ytterbium chloride:An efficient one-step synthesis of 2-amino-4H-3,1-benzothiazine
《Science China(Technological Sciences)》2013年第3期717-723,共7页HUANG Jie YU Yong HUA Lu YAO ZhiGang XU Fan SHEN Qi 
supported by the National Natural Science Foundation of China(20872106,20972107);the Priority Academic Program Development of Jiangsu Higher Education Institutions
A clean,efficient method to synthesize 2-amino-4H-3,1-benzothiazines by ytterbium chloride-catalyzed tandem addition-cyclization reaction of o-aminocinnamate and isothiocyanates under solvent-free conditions is develo...
关键词：2-amino-3 1-benzothiazine ytterbium chloride catalysis tandem reaction 
Aluminum chloride:A highly efficient catalyst for addition of amines to carbodiimides to synthesize substituted guanidines被引量：2
《Chinese Science Bulletin》2012年第26期3419-3422,共4页ZHU XueHua XU Fan SHEN Qi 
supported by the National Natural Science Foundation of China (20972107,20872106);the Department of National Education PhD Foundation;the Priority Academic Program Development of Jiangsu Higher Education Institutions
A catalytic addition of amine N H bonds to carbodiimides using aluminum chloride as a Lewis acid catalyst is developed.The reaction proceeds under mild conditions without solvent to afford a series of substituted guan...
关键词：碳化二亚胺 三氯化铝 高效催化剂 路易斯酸催化剂 合成 原位红外光谱 胍 催化加成 
Efficient synthesis of functionalized 2-pyridones by ytterbium chloride catalyzed tandem condensation被引量：1
《Chinese Science Bulletin》2012年第14期1612-1615,共4页WANG QianNan YAO ZhiGang XU Fan SHEN Qi 
supported by the National Natural Science Foundation of China (20872106,20972107)
An efficient method was developed for the synthesis of arylidene heterobicyclic 3-cyano-2-pyridones via ytterbium chloride catalyzed tandem condensation of aromatic aldehydes,cyclic ketones,and cyanoacetamide.The cond...
关键词：高效合成 氯化物 吡啶 串联 催化 冷凝 镱 反应机制 
Acylation of nitriles to β-ketonitriles catalyzed by a heterometallic alkoxide cluster of neodymium and sodium:NdNa_8(O^tBu)_(10)(OH)被引量：1
《Chinese Science Bulletin》2011年第13期1357-1360,共4页LIU HaiDong LI Lan SHENG HongTing ZHU XueHua XU Fan SHEN Qi 
supported by the National Natural Science Foundation of China (20872106 and 20972107)
Catalytic acylation of nitriles with esters in the presence of 10 mol% NdNa8(OtBu)10(OH) is developed.The procedure is suitable for both enolizable and nonenolizable esters and affords β-ketonitriles in moderate to h...
关键词：催化 酰化 集群 腈 醇 结构特征 射线衍射 生产机制 
D-甘露醇衍生的手性1,4-二醇配体的有效合成
《苏州大学学报（自然科学版）》2011年第1期61-65,共5页吴青茂 徐凡 张勇 
国家自然科学基金(20872106)
通过对甲苯磺酸催化下D-甘露醇与芳香醛的缩合反应,顺利地得到了一系列带有供电子基的1,3:4,6-二-O-取代亚苄基-D-甘露醇.与已报道的方法相比,该方法只需较低用量的有机酸作为催化剂,反应条件温和,收率较高,为手性1,4-二醇配体的制备提...
关键词：D-甘露醇 手性1 4-二醇 对甲苯磺酸 合成 晶体结构 
Heterobimetallic clusters of Na_8Ln(O^tBu)_(10)(OH) as homogeneous catalysts for amidation of aldehydes with amines被引量：1
《Chinese Science Bulletin》2010年第32期3641-3643,共3页CAI ChengYi LI Lan XU Fan SHEN Qi 
supported by the National Natural Science Foundation of China (20632040, 20972107 and 20872106)
Heterobimetallic clusters of Na8Ln(OtBu)10(OH) (Ln = ytterbium, europium, samarium and neodymium) are found to be useful catalysts for amidation of aldehydes with amines under mild conditions. The catalytic activity d...
关键词：均相催化剂 酰胺 俄亥俄州 双核 醛 簇 金属离子 脂肪胺 
Controllable stereoselective synthesis of pyrano[3,2-c]quinolines by lanthanide halides catalyzed aza-Diels-Alder reactions
《Chinese Science Bulletin》2010年第36期4108-4111,共4页YAO LianBin XU Fan SHEN Qi 
supported by the National Natural Science Foundation of China (20872106, 20972107)
An efficient method for the synthesis of tetrahydroquinoline derivatives via lanthanide halides catalyzed domino reactions of arylamines with dihydropyran is described. Either the cis or the trans isomer can be obtain...
关键词：稀土卤化物 反应条件 二氢吡喃 催化合成 立体选择性合成 可控 氮杂 喹啉 
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