Dsp Gokyo Food & Chemical Co., Ltd.

Tokyo Ohka Kogyo Co., Ltd.

Masaaki Sugi

Hironori Kinoshita

Sumitsugu Kisanuki

Takayoshi Mori

Provided is a sulfonium salt compound represented by the following general formula (I): where Rand Reach denote the same or a different alkyl group having 1 to 18 carbon atoms, Rand Reach denote the same or a different alkyl group having 1 to 10 carbon atoms, and Xdenotes a sulfone imide anion or a perfluoroalkanesulfonic acid anion, wherein the substituents denoted by RO and RO are each located at an arbitrary position selected from the 2-position to the 8-position of the naphthyl group.

Sulfonium salt compound, method for producing the same, and photoacid generator

A sulfonium salt compound represented by the following general formula (I): where Rand Reach denote the same or a different alkyl group having 1 to 18 carbon atoms, Rand Reach denote the same or a different alkyl group having 1 to 10 carbon atoms, Xdenotes a sulfonate anion or a carboxylate anion, and the substituents denoted by RO and RO are each located at an arbitrary position selected from the 2-position to the 8-position of the naphthyl group.

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Suita, Japan

Masaaki Sugi