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Deoxy-polymerization of phenylglyoxylic acid using a cyclic phosphite as deoxygenating agent a new synthesis of poly(α-ester)

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Summary

The reaction of phenylglyoxylic acid (6), an α-keto acid, with 2-phenoxy-4, 4,5,5-tetramethyl-1,3,2-dioxaphospholane (7) produced poly (benzylidene carboxylate) (8), a poly (α -ester), and a cyclic phosphate (9). This reaction (2) provides a new. method of preparation of poly (α -ester) s. In the reaction, the keto oxygen atom of6 was deoxygenated by7 to give polymer8 (Deoxy-Polymerization). The structure of the polymer end group was elucidated, and the reaction mechanism has been presented.

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Authors and Affiliations

  1. Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University, 606, Kyoto, Japan

    Shiro Kobayashi, Tsunenori Yokoyama, Kuniyasu Kawabe & Takeo Saegusa

Authors
  1. Shiro Kobayashi
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  2. Tsunenori Yokoyama
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  3. Kuniyasu Kawabe
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  4. Takeo Saegusa
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Kobayashi, S., Yokoyama, T., Kawabe, K. et al. Deoxy-polymerization of phenylglyoxylic acid using a cyclic phosphite as deoxygenating agent a new synthesis of poly(α-ester). Polymer Bulletin 3, 585–591 (1980). https://doi.org/10.1007/BF01135327

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  • DOI: https://doi.org/10.1007/BF01135327

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