Disclosed are a novel sulfonic acid derivative compound and a novel naphthalic acid derivative compound with high solubility in organic solvents, good photosensitivity, and suitability as a photoacid generator and a polymerization initiator. The sulfonic acid derivative compound is represented by the formula (I)
(wherein R
01
, R
04
, R
05
, and R
06
represent a hydrogen atom; any one of R
02
and R
03
represents an alkoxy group having a carbon number of 4 to 18 which may be substituted with an alicyclic hydrocarbon group, a heterocyclic group, or a halogen atom and which may have a branch, or the like; and R
07
represents an aliphatic hydrocarbon group having a carbon number of 1 to 18 which may be substituted with a halogen atom and/or an alkylthio group, or the like).
揭示了一种新颖的
磺酸衍
生物化合物和一种新颖的
萘甲酸衍
生物化合物,具有在有机溶剂中高溶解度、良好的光敏性,并适用于光酸发生剂和聚合
引发剂。
磺酸衍
生物化合物由以下式(I)表示(其中R01、R04、R05和R06代表氢原子;R02和R03中的任一表示具有4至18个碳原子的烷氧基,可以被取代为脂
环烃基、杂环基或卤素原子,并且可以具有支链等;R07表示具有1至18个碳原子的脂肪烃基,可以被取代为卤素原子和/或烷基
硫基等)。