Ruthenium carbene initiated ring-open metathesis polymerization of endo-bicyclo[3.2.0]hept-6-en-3-yl benzoates with tacticity studies

Ruthenium carbene initiated ring-open metathesis polymerization of endo-bicyclo[3.2.0]hept-6-en-3-yl benzoates with tacticity studies
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钌卡宾引发内双环[3.2.0]庚-6-烯-3-基苯甲酸酯的开环复分解聚合并进行立构规整度研究

DOI:
10.1007/s10118-010-8245-4
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发表时间:
2010-02
影响因子:
4.3
通讯作者:
Wang, Guan-wu
Wang, Guan-wu
中科院分区:
化学2区
文献类型:
--
作者:
Zhang, Ze;Song, Qing-ping;Wang, Guan-wu

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由(Cy3P)2Cl2Ru=CHPh在CH2Cl2中引发PhCH=CH2的内双环[3.2.0]庚-6-烯-3-基4-溴苯甲酸酯的初步开环交叉复合反应(ROCM),在相同条件下实现了一系列内双环[3.2.0]庚-6-烯-3-基苯甲酸酯的开环复合聚合(ROMP),得到了多种相应的聚合物。然后选择其中一些分子用对甲酰肼氢化其主链上的C=C双键,得到饱和的、因而更灵活的聚合物。通过GPC、UV-Vis、NMR和IR等光谱手段对聚合物进行了表征,并在此基础上对聚合物的弹性进行了研究,同时对非线性光学(电场诱导二次谐波产生,EFISH)进行了分析。
After tentative ring-opening cross metathesis (ROCM) of endo-bicyclo[3.2.0]hept-6-en-3-yl 4-bromobenzoate with PhCH=CH2 initiated by (Cy3P)2Cl2Ru=CHPh in CH2Cl2, ring-opening metathesis polymerization (ROMP) of a series of endo-bicyclo[3.2.0]hept-6-en-3-yl benzoates was achieved under the same conditions, furnishing a variety of the corresponding polymers. Then some of them were selected to hydrogenate the C=C double bonds in their backbone with p-tosylhydrazide, affording saturated and thus more flexible polymers. All of these polymers were well characterized by spectroscopic means including GPC, UV-Vis, NMR and IR, based on which the tacticity of these polymers was investigated together with nonlinear optical (electric-field-induced second-harmonic generation, EFISH)) analysis.
DOI: 10.1002/anie.199520391
发表时间: 1995-10-02
影响因子: 16.6
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