Novel unsaturated oxime derivatives and their use as potential acids

摘要

Compounds of formulae I, II or IIIwherein m is zero or 1; n is 1, 2 or 3; R1 inter alia is unsubstituted or substituted phenyl, or naphthyl, anthracyl, phenanthryl, a heteroaryl radical, or C2-C12alkenyl; R'1 inter alia is vinylene, phenylene, naphthylene, diphenylene or oxydiphenylene; R2 inter alia is CN, C1-C4haloalkyl, C2-C6alkoxycarbonyl, phenoxycarbonyl, or benzoyl; R3 inter alia is C1-C18alkylsulfonyl, phenyl-C1-C3alkylsulfonyl, camphorylsulfonyl, or phenylsulfonyl; R'3 inter alia is C2-C12alkylenedisulfonyl, phenylenedisulfonyl, naphthylenedisulfonyl, diphenylenedisulfonyl, or oxydiphenylenedisulfonyl; R4 and R5 inter alia are hydrogen, halogen, C1-C8alkyl, C1-C6alkoxy, C1-C4haloalkyl, CN, NO2, C2-C6alkanoyl, benzoyl, phenyl, -S-phenyl, OR6, SR9, NR7R8, C2-C6alkoxycarbonyl or phenoxycarbonyl; R6 inter alia is hydrogen, phenyl or C1-C12alkyl; R7 and R8 inter alia are hydrogen or C1-C12alkyl; R9 inter alia is C1-C12 alkyl; R10, R11 and R12 inter alia are C1-C6alkyl or phenyl; upon irradiation react as acid generating compounds and thus are suitable in photoresist applications.