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Catalytic asymmetric Henry reaction using copper chiral tridentate Schiff-base complexes and their p
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为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
设计、合成了一类新型的高分子还原试剂——聚苯乙烯固载烟酰胺辅酶模型化合物1.苄基-1,4-二氢烟酰胺(BNAH)4。该还原剂可以在温和条件......
本文研究了三相催化剂聚苯乙烯负载聚乙二醇在苯乙腈(PAN)的α-丁基化反应中重复使用时催化活性下降的问题,比较了使用前后的红外光谱,发现......
本文应用二乙烯苯交联的聚苯乙烯-聚乙二醇(DVB-PS-PEG)树脂作相转移催化剂催化合成了邻乙氧基苯酚,结果表明回收率达80%,催化剂能重复使用......
综述了有机高分子负载钯催化剂或反应底物的Sonogashira反应的研究进展;天然高分子壳聚糖负载钯(CS-Pd)作为非均相催化剂,表现出较高......
报道了一种以芳香醛、三氟(二氟)乙酰乙酸乙酯与脲(硫脲)为原料,聚乙二醇支载的硫酸(PEGOSO3H)作为催化剂,通过Biginelli型缩合反应合成......
本文综述了近年来固载手性双噁唑啉的合成及其金属配合物作为手性催化剂在催化不对称反应中的研究进展。......
SYNTHESIS OF POLYMERIC β-CYCLODEXTRIN SUPPORTED BY CROSSLINKED POLY(ACRYLAMIDE-co-VINYLAMINE)AND ITS
Polymeric β-cyclodextrin (β-CD) supported by crosslinked poly(acrylamide-co-vinylamine) was synthesized as anartificia......
高分子手性催化剂用于不对称有机合成,它易与产物分离、可通过适当的处理后回收重复使用;具有毒性或气味的手性催化剂支载在高分子上......
介绍了聚合物固载的过硼酸钠、聚合物固载的氧化三甲胺、聚合物固载的溴化物、聚合物固载的Cr(Ⅵ)氧化剂,综述了它们各自的性能和优缺......
Polystyrylsulfonyl chloride resin (1) is a useful polymer intermediate in organic syntheses. Resin 1 can be obtained by ......
改进了聚苯乙烯固栽化聚乙二醇苄醚的合成方法,并在正溴辛烷与固体NaI的亲核取代反应中考察了它们的相转移催化性能。结果表明,催化......
A Novel Complex of Pyridinium Polystyrylsulfonate with Fluoboric Acid as a Catalyst for Acetalizatio
A new complex (1) was prepared by mixing pyridinium polystyrylsulfonate resin and aqueous fluoboric acid, followed by be......
随着高分化学研究的深入,聚合物的应用范围越来越广。聚合物已用作催化剂、氧化剂、功能试剂等。本文综述自1989年以来聚合物支载氧......
SYNTHESIS AND CATALYTIC HYDROSILYLATION PROPERTY OF POLYSILOXANE-SUPPORTED MERCAPTOSELENAETHER PLATI
Silica-bound mercaptoselenaether-containing silsesquioxane and its plat-inum or rhodium complex were synthesized from γ......
A novel polymer-bound 1,2-diol, 3-polystyrylsulfonyl-1,2-propanediol (6) had been prepared by the reaction of sodium pol......
Four polymer-supported Fe-Co tetrametallic clusters have been prepared by ion exchange and ligand exchange. Their struct......
The neodymium complex supported on styrene-maleic anhydride copolymer (SMA·Nd) has been prepared for the first time a......
Synthesis of Polymer-Supported Heteronuclear Rhodium- Cobalt Bimetallic Carbonyl Cluster Catalysts a
Tetranuclear Rh-Co bimetallic cluster was synthesized and characterized by IR and XPS. The properties of the anchored ca......