Synthesis of 2-Hydroxypropylmethacrylates

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  • ２‐ヒドロキシプロピルメタクリレート類の合成
  • 2 ヒドロキシプロピルメタクリレートルイ ノ ゴウセイ

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The reaction of glycidyl methacrylate with phenols or of phenyl glycidyl ether with methacrylic acid in the presence of basic catalyst has been studied to prepare pure 2-hydroxy propyl methacrylates without side reaction.<BR>Triethylbenzyl ammonium chloride has been found to be an excellent catalyst, and 2-hydroxy propyl methacrylates were obtained in high yield when the reaction was performed at 85-90°C.<BR>2, 3-Diphenoxy propyl methacrylate, 2 (or 3) -phenoxy propyl-1, 3 (or 1, 2) -dimethacrylate and 3-phenoxy-1, 2-propanediol were identified as by-products when the reaction was carried out in the presence of KOH, LiOH or triethylamine.

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