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205篇 您的检索式:作者名="CHALOUPKA"
    题名 作者 年代 出处 被引量
1金属配合物[MBr{(Ph_2PCH_2CH_2)_2C_6H_3}],[M=Pd(Ⅱ)、Pt(Ⅱ)]的合成及晶体结构显示文摘合成了一个新的双膦配位体:2 ,6 - 双(二苯基膦乙基)溴苯,通过Pd0(DBA)2 ,(DBA为PhHC= CHCOCH=CHPh), Pt0(PPh3)4 和该配位体的氧化加成反应,分别得到了两个新的金属配合物:[MBr{(Ph_2PCH_2CH_2)_2C_6H_3}],[M=Pd(Ⅱ)、Pt(Ⅱ)](2),并进行了31P NMR,1 H NMR表征。通过X.射线晶体结构测定,这两个配合物的晶体学参数分别为:配合物 (1)的晶体属正交晶系,空间群 Pna21, a=16.806(2)A,b=18.578(2)A,C=9.643(5)A;配合物(2)的晶体属单斜晶系,空间群p21/a,a=12.364(3)A,b=17.676(4)A,C=13.672(7)A,P=94.86(3)“。陆庆宁 Chaloupka S. Venanzi L.M. 2001无机化学学报2001,17,2:3
21,3-双(二乙基膦甲基)苯和顺-二氯(三乙基膦)合铂反应的NMR研究显示文摘应用31PNMR技术研究了双膦配体1,3-(Et2PCH2)2C6H4和cis-[PEt3)2Cl2]的反应过程,并对反应产物进行了元素分析和核磁表征。得到的结果表明,该双磷配体容易和cis-[Pt(PEt3)2Cl2]发生金属环化反应。所选用的初始反应物应有利于和双膦配体形成一个中间体(过渡状态),使苯环上的C-H键被活化,这是金属环化反应得以顺利进行的关键,据此提出了可能的反应途径。陆庆宁 ChaloupkaS VenanziLM 1998Chinese Journal of Chemical Physics1998,11,4:3
3Risk factors associated with major cerebrovascular complications after intracranial stenting显示文摘F Nahab M J. Lynn S E. Kasner M J. Alexander R Klucznik O O. Zaidat J Chaloupka H Lutsep S Barnwell M Mawad B Lane M I. Chimowitz 2009Neurology2009,,23:2
4Nanosilver as a new generation of nanoproduct in biomedical applications显示文摘Karla Chaloupka Yogeshkumar Malam Alexander M. Seifalian 2010Trends in Biotechnology2010,,11:2
5Adjacent segment degeneration after lumbosacral fusion in spondylolisthesis:a retrospective radiological and clinical analysis显示文摘ZENCICA P CHALOUPKA R HLADIKOVA J 0,,02:1
6Mechanisms of ischemic preconditioning in skeletal muscle显示文摘 Mattei A Chaloupka K 2000J Surg Res2000,94,:1
7Effective Teaching and Learning in a High-tech Environment 显示文摘Koppi A J Lublin J R Chaloupka M J 1997Innovations in Education and Training Interna- tional1997,34,4:1
8Nanosilver as a new generation of nanoproduct in biomedical applications显示文摘CHALOUPKA K MALA Y SEIFALIAN A M 2010Trends Biotechnol2010,28,:1
9The evaluation of left ventricular function in childhood cancer survivors by pharmacological stress echocardiography显示文摘Elbl L Hrstkova H Chaloupka V 2003Neoplasma2003,50,3:1
10Effect Of restrictions onsmoking at home,at school,and in public places on teenagesmoking:cross sectional study显示文摘 Chaloupka FJ Kaufman NJ 2000BM J2000,321,:1
11Purification and characterization of ciguatoxins from moray eel显示文摘Lewis R J Chaloupka M Y Gillespie N C 1991Toxicon1991,29,9:1
12Dynamic neutralization using the Dynesys system for treatment of degenerative disc disease of the lumbar spine显示文摘CIENCIALA J CHALOUPKA R REPKO M 0,,03:1
13Subperiosteal hematoma of the orbit following an aneurysm coiling procedure显示文摘Doan AP Lee SK Chaloupka J 2004Am J Ophthalmol2004,138,:1
14Green turtle somatic growth model: evidence for density dependence 显示文摘BJORNDAL K A BOLTEN A B CHALOUPKA M Y 2000Ecological Applications2000,10,1:1
15Fresh Fruitand Vegetable Program participation in elementary schools in the unit-ed states and availability of fruits and vegetables in school lunch meals显示文摘OHRI-VACHASPATI P TURNER L CHALOUPKA FJ 2012J Acad Nutr Diet2012,112,6:1
16Technical feasibility and histopathologic studies of ethylene vinyl copolymer (EVAL) using a swine endovascular embolization model 显示文摘Chaloupka JC Vinuela F Vinters HV 1994AJNR1994,15,7:1
17Use of mechanical thrombosis via microballoon percutaneous transluminal angioplasty for the treatment of acute dural sinus thrombosis: case presentation and technical report显示文摘Chaloupka JC Mangla S Huddle DC 1999Neurosurgery1999,45,5:1
18Oxidative stress in microorganisms—I显示文摘K. Sigler J. Chaloupka J. Brozmanová N. Stadler M. H?fer 1999Folia Microbiologica1999,,6:1
19A reexamination of the angiotoxicity of superselective injection of DMSO in the swine rete embolization model 显示文摘Chaloupka JC Huddle DC Alderman J 1999AJNR1999,20,3:1
20The use of ethylene oxide/propylene oxide (EO/PO) esters as additives in semisynthetic metalworking formulations显示文摘Canter N M Chaloupka J J Fiscnesser G J 1988Lubr Eng1988,44,:1
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