Castor‐based derivatives: Synthesis of some acrylate esters

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Abstract
Acrylate esters of various hydroxy acid derivatives obtainable from castor oil have been synthesized and characterized. Synthetic methods evaluated include acid‐ and base‐catalyzed alcoholysis of methyl acrylate, esterification with acrylic acid, acrylyl chloride, or acrylic anhydride, and esterification with ॆ‐chloropropionyl chloride or anhydride followed by dehydrohalogenation. The two‐step esterification‐dehydrohalogenation procedure gives most satisfactory yields and purity. Preparation, purification, and characterization of the compounds are described and the various synthetic methods are evaluated.

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