| 主权项 |
1. A photobase generator, comprising an ammonium salt represented by general formula (1):[In formula (1), R1 to R4 independently represent an alkyl group having 1 to 18 carbon atoms or Ar, wherein at least one of R1 to R4 represents Ar, Ar represents an aryl group having 6 to 14 carbon atoms (excluding carbon atoms contained in a substituent as mentioned below), some of hydrogen atoms in the aryl group may be independently substituted by an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon atoms, an alkynyl group having 2 to 18 carbon atoms, an aryl group having 6 to 14 carbon atoms, a nitro group, a hydroxyl group, a cyano group, an alkoxy group or aryloxy group represented by —OR21, an acyl group represented by R22CO—, an acyloxy group represented by R23COO—, an alkylthio group or arylthio group represented by —SR24, an amino group represented by —NR25R26, or a halogen atom, R21 to R24 independently represent an alkyl group having 1 to 8 carbon atoms or an aryl group having 6 to 14 carbon atoms, and R25 and R26 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms or an aryl group having 6 to 14 carbon atoms; Y+ represents an ammonio group represented by general formula (2) or (3) below; in formula (2), R5 and R6 independently represent an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon atoms or an aryl group having 6 to 14 carbon atoms, and may be bonded to each other to form a ring structure; Q represents a methylene group (—CH2—)m, or a group represented by general formula (4) below, and m represents an integer of 2 or 3; in formula (3), R7 to R9 independently represent an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon atoms or an aryl group having 6 to 14 carbon atoms, and may be bonded to one another to have a ring structure; in formula (4), R10 to R11 independently represent a hydrogen atom, an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 14 carbon atoms, and may be bonded to each other to form a ring structure; and E represents a hydrogen atom or a group represented by general formula (5) below, R12 to R16 independently represent an alkyl group having 1 to 18 carbon atoms, a nitro group, a hydroxyl group, a cyano group, an alkoxy group represented by —OR21, an acyl group represented by R22CO—, an acyloxy group represented by R23COO—, an alkylthio group represented by —SR24, an amino group represented by —NR25R26 or a halogen atom, R12 to R16 may be the same as or different from one another, and R17 and R18 independently represent a hydrogen atom or an alkyl group having 1 to 18 carbon atoms, and may be the same as or different from each other.] |
