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US 2025/0136736 A1Published application
Preparation of tertiary ester-containing aromatic vinyl monomer
AssigneeShin-Etsu Chemical Co., Ltd.
InventorMasahiro Fukushima
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Abstract
A tertiary ester-containing aromatic vinyl monomer is prepared by reacting an N-acylimidazole compound with a tertiary alcohol compound in the presence of a metal alkoxide as a reaction promoter. The tertiary ester-containing aromatic vinyl monomer of quality is prepared at a high efficiency and is applicable to resist compositions adapted for the EB and EUV lithography processes.
Claims7
A method for preparing a tertiary ester-containing aromatic vinyl monomer wherein a metal alkoxide is used as a reaction promoter.
Dependencies are inferred from the claim text.