二氯二茂锆格氏试剂烯烃二烯烃催化作用炔烃还原二聚反应环化二氯二茂锆同异丁基格氏试剂以1:2摩尔比反应,于室温下生成有机锆中间体,后者同烯烃、炔烃或二烯反应。最后生成不原的二聚物或分子内环化产物。吴绍祖去来川觉三高等学校化学学报
Cp2ZrCl2/异丁基铝氧烷催化乙烯聚合动力学,Cp2ZrCl2/异丁基铝氧烷催化乙烯聚合动力学催化,聚合,铝氧烷,乙烯聚合,异丁基,甲基铝氧烷,铝氧化工艺,铝氧电池,铝氧化电池,催化,聚合,铝氧烷,乙烯聚合,异丁基,甲基铝氧烷,铝氧化工艺,铝氧电池,铝氧化电池
解析 每个Cp-配位数:3 每个Cl-配位数:1. 两个Cp-,加两个Cl-,总配位数为8. 配体与金属形成一个配位键时,一般给出两个电子.每个C5H5-给出6个派电子来形成(3个)配位键,所以算作3配位配体.结果一 题目 CP2ZrCL2中,为什么金属的配位数是8呢?CP配位数为什么是3呢? 答案 每个Cp-配位数:3 每个Cl...
各种不对称快应按文献方法阳合成.NMR谱用JEOLFX-90型波谱仪测定(90H:~),以TMS为内标,ODOls为搭剂;IR谱在日本分先株式会社D8-301型光谱仪上测定(KBr压片).1.Cp2ZrCl2与Na存在下的反应5mmolOp.2Zr0l2,10mmol铀砂,40皿LTHF及10mmol快短AO"""OB(A,B为l'h,Ph;4-Me06H4JPh;2-Me06H4,Phj4-0Mea06...
The treatment of Cp2ZrCl2with EtMgBr followed by exposure to CO2generates zirconacycle 1, which can react with various electrophiles to give a variety of carboxylic acid derivatives. Unsaturated zirconacycles 2 can also generated from Cp2ZrCl2, EtMgBr, alkynes, and CO2. Complexes 2 react with...
【精品】Cp2ZrCl2 Ethylene polymerization with Cp2ZrCl2 supported on dealuminated Y zeolite Synthesis of quinoline derivatives from anilines and aldehydes catalyzed by Cp2ZrCl2 and recyclable Cp2ZrCl2MCM-41 system Cp2ZrCl2—i—BuMgBr催化体系中烯烃的还原二聚 Cp2ZrCl2—i—BuMgBr催化体系中烯烃的还原二...
functionally substituted olefinsaluminacyclopentanesReactions of functionally substituted olefins (allylamines, sulfides and ethers, homoallylic alcohols and amines, as well as vinyl ethers) with Et 3 Al in the presence of Cp 2 ZrCl 2 as a catalyst were studied. Cycloalumination of allylamines ...
茂金属催化剂催化α-烯烃齐聚-(n-Bu)Cp2ZrCl2MAO催化.PDF,(n-Bu)Cp ZrCl /MAO 催化1-癸烯齐聚 2 2 合及其产物的结构与性能 1 1 1 1* 2 3 1 盛亚平 ,陈立国 ,马力 ,黄启谷 ,陈伟 ,付志峰 ,杨万泰 1.北京化工大学新型高分子材料的制备与加工北京市重点实验室,北京10
Alkene-zirconocene Cp2ZrCl2 complex rxn cyclic vinylether enolether dihydrofuran syn high sub cyclobutane cyclobutanecarboxylate 来自 mendeley.com 喜欢 0 阅读量: 5 作者: J Barluenga 年份: 2004 收藏 引用 批量引用 报错 分享 全部来源 求助全文 mendeley.com 相似文献...
Structures of polyethylene and copolymers of ethylene with 1-octene and oligoethylene produced with the Cp2ZrCl2 and [(C5Me4)SiMe2N(t-Bu)]TiCl2 catalysts Polymerization of ethylene and copolymerizations of ethylene with 1-octene and oligoethylene having a vinyl end group were conducted with Cp2Z...