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21.
SynthesisandStructureof 1-Cyclopentylindenyl Lanthanide(II) Complexes and Their Catalytic Behavior for Polymerization of Acrylonitrile 总被引:3,自引:0,他引:3
IntroductionGreatprogresshasbeenmadeinthechemistryofdi valentorganolanthanidecomplexes .Avarietyofnewclassesofcomplexeshavebeensynthesizedandwidelyusedinorganicsynthesisandpolymerchemistry .1 6 Itwasnoticedthatmostoftheworkpublishedisfocusedonthecomplexe… 相似文献
22.
通过X-单晶衍射确定了标题化合物C17H23O3P(Mr=306.32)的结构.该单晶属于三斜晶系,P
1空间群,a=9.852(1),b=9.887(1),c=19.949(3)A,α=83.161(4),β=87.012(3),y=66.085(3)°,V=1
763.7(4)A3,Z=4,Dc=1.154 g/cm3,F(000)=656,μ=0.163 mm-1,最终反射点的R=0.078
5,wR=0.185 4(I>2σ(Ⅰ)).X-单晶衍射表明标题化合物的三个碳碳双键为全反式构型. 相似文献