Citation:
Ze Zhang a, b, Qing-ping Song a, Guan-wu Wang b. RUTHENIUM CARBENE INITIATED RING-OPEN METATHESIS POLYMERIZATION OF ENDO-BICYCLO[3.2.0]HEPT-6-EN-3-YL BENZOATES WITH TACTICITY STUDIES[J]. Chinese Journal of Polymer Science,
2010, 28(2): 181-189.
doi:
10.1007/s10118-010-8245-4
RUTHENIUM CARBENE INITIATED RING-OPEN METATHESIS POLYMERIZATION OF ENDO-BICYCLO[3.2.0]HEPT-6-EN-3-YL BENZOATES WITH TACTICITY STUDIES
摘要:
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.
English
RUTHENIUM CARBENE INITIATED RING-OPEN METATHESIS POLYMERIZATION OF ENDO-BICYCLO[3.2.0]HEPT-6-EN-3-YL BENZOATES WITH TACTICITY STUDIES
Abstract:
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.
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