Latent acids and their use

Abstract

The invention pertains to a compound generating an acid of the formula I or II, for instance corresponding sulfonium and iodonium salts, as well as corresponding sulfonyloximes whereinX is CHor CO; Y is O, NR, S, O(CO), O(CO)O, O(CO)NR, OSO, O(CS), or O(CS)NR; Ris for example C-Calkyl, C-Chaloalkyl, C-Calkenyl, C-Ccycloalkenyl, phenyl-C-C-alkyl, C-Ccycloalkyl, C-Ccycloalkyl-C-Calkyl, interrupted C-Calkyl, interrupted C-Ccycloalkyl, interrupted C-Ccycloalkyl-C-Calkyl, interrupted C-Ccycloalkenyl, phenyl, naphthyl, anthracyl, phenanthryl, biphenylyl, fluorenyl or heteroaryl, all unsubstituted or are substituted; or Ris NRR; Rand Rare for example C-Ccycloalkylene, C-Ccycloalkyl-C-Calkylene, C-Calkylene, C-Chaloalkylene, C-Calkenylene, C-Ccycloalkenylene, phenylene, naphthylene, anthracylene, phenanthrylene, biphenylene or heteroarylene; all unsubstituted or substituted; Ris for example C-Ccycloalkyl, C-Ccycloalkyl-C-Calkyl, C-Calkyl, C-Chaloalkyl, C-Calkenyl, C-Ccycloalkenyl, phenyl-C-C-alkyl; Rand Rare for example C-Ccycloalkyl, C-Ccycloalkyl-C-Calkyl, C-Calkyl, C-Chaloalkyl, C-Calkenyl, C-Ccycloalkenyl, phenyl-C-C-alkyl, Ar, (CO)R, (CO)ORor SOR; and Ar is phenyl, biphenylyl, fluorenyl, naphthyl, anthracyl, phenanthryl or heteroaryl, all unsubstituted or substituted.