Dsp Gokyo Food & Chemical Co., Ltd.

Tokyo Ohka Kogyo Co., Ltd.

Dainippon Sumitomo Pharma Co., Ltd.

Sumitomo Dainippon Pharma Co., Ltd.

Hironori Kinoshita

Sumitsugu Kisanuki

Masaaki Sugi

Takayoshi Mori

Hitoshi Watanabe

Katsunori Tsuboi

Yusuke Yamai

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.

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

The invention provides a compound for the treatment or prophylaxis of pathology involving SNS, specifically diseases such as neuropathic pain, nociceptive pain, dysuria, multiple sclerosis and the like. The compound is represented by formula (1) or a pharmaceutically acceptable salt thereof wherein Ris a hydrogen atom or the like, L is a single bond, &#x2014;O&#x2014; or the like, Ris a phenyl group or the like, X is a carbon atom or a nitrogen atom, and R, R, R, R, Rand Rare each independently a substituted or unsubstituted alkyl group or the like: 

Bicyclic heterocyclic compound

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Suita, Japan

Hironori Kinoshita