Investigation on the Reaction between N-Phenylmaleimide and Propargyl Compound

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Other Title
  • N-フェニルマレイミドとプロパルギル化合物との反応

Description

The reaction of N-phenylmaleimide (PMI) with propargylphenylether (PPE) was investigated. PPE was converted to crα-chromene (PPE-C) by heating at 175°C, which was polymerized to oligomer by further heat treatment. As a main product, 1 : 2 adduct of PPE to PMI was generated under conditions with or without a catalyst (dicumyl peroxide or triphenyl phosphine) in the PPE/PMI reaction system. The reaction in the PPE-C/PMI system, which generated PPE-C/PMI oligomer as a main product, proceeded faster than that in the PPE/ PMI system. Without the catalyst, was also formed a considerable amount of the adduct, the molecular weight of which was 275.

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