Cationic ring-opening polymerization of 2-phenyl-1,2-oxaphospholane (deoxophostone) |
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| Authors: | Shiro Kobayashi Masato Suzuki Takeo Saegusa |
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| Affiliation: | (1) Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University, 606 Kyoto, Japan |
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| Abstract: | Summary The ring-opening polymerization of deoxophostone 5, a five-membered cyclic phosphinite, has been studied. Some cationic initiators gave polymer whereas anionic and radical initiators as well as metal chloride (Lewis acid) catalysts did not yield polymer. The polymer consisted of a phosphine oxide repeating unit 6. The polymerization proceeded via the Arbuzov-type reaction. The reduction of polymer 6 with a HSiCl3/Et3N system gave polyphosphine 7. |
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