Singlet oxygenation of 1,2-poly(1,4-hexadiene)s |
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Authors: | Morton A Golub Mark L Rosenberg Robert V Gemmer |
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Abstract: | The microstructural changes that occur in cis and trans forms of 1,2-poly(1,4-hexadiene) during methylene blue-photosensitized oxidation were examined by infrared (IR) and 13C-NMR spec-troscopy. The singlet oxygenation of these polymers yielded the expected allylic hydroperoxides accompanied by double bond shifts to new vinyl and trans-vinylene double bonds. The photosensitized oxidation exhibited zero-order kinetics; the relative rates for the cis- and trans-1,2-poly(1,4-hexadiene)s were approximately 3.8:1.0. |
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