Oxime derivatives and the use thereof as latent acids

A compound of the formula Ib, IIb or IIIb

• wherein
• R″1 is phenyl, which is unsubstituted or substituted by one or more C1-C12alkyl, phenyl-C1-C3-alkyl, C1-C4haloalkyl, halogen, phenyl, OR4, NR5R6, SR7, SOR7, and/or SO2R7, optionally the substituents OR4, SR7 and NR5R5 form 5- or 6-membered rings via the radicals R4, R5, R6 and/or R7, with further substituents on the phenyl ring or with one of the carbon atoms of the phenyl ring;
• or R″1 is naphthyl, anthracyl or phenanthryl each of which is unsubstituted or substituted by C1-C6alkyl, phenyl, OR4, NR5R6, SR7, SOR7 and/or SO2R7 optionally the substituents OR4, SR7 and NR5R6 form 5- or 6-membered rings via the radicals R4, R5, R6 and/or R7, with further substituents on the phenyl ring or with one of the carbon atoms of the naphthyl, anthracyl or phenanthryl ring or with one of the carbon atoms of the naphthyl, anthracyl or phenanthryl ring;
• or R″1 is a heteroaryl radical which is unsubstituted or substituted by C1-C6alkyl, phenyl, OR4, NR5R6, SR7, SOR7, and/or SO2R7, optionally the substituents OR4, SR7 and NR5R6 form 5- or 6-membered rings, via the radicals R4, R5, R6 and/or R7 with further substituents on the heteroaryl ring or with one of the carbon atoms of the heteroaryl ring;
• R′″1 is phenylene, naphthylene,
• diphenylene or oxydiphenylene, wherein these radicals are unsubstituted or substituted by C1-C12alkyl;
• or R′″1 is
• A is —O—, —S—, —NR4—, —O(CO)—, —S(CO)—, —NR4(CO)—, —SO—, —SO2—, or —OSO2—;
• A1 is C1-C12alkylene or C2-C12alkylene, which is interrupted by one or more —O—;
• R″3 is C1-C16alkylsulfonyl, phenyl-C1-C3alkylsulfonyl, camphorylsulfonyl, naphthylsulfonyl, trimethylphenylsulfonyl;
• or phenylsulfonyl which is substituted by one or more C2-C16alkyl, C1-C4alkoxy, C1-C4haloalkyl and/or halogen;
• and
• R′3 is phenylenedisulfonyl, naphthylenedisulfonyl,
• diphenylenedisulfonyl, or oxydiphenylenedisulfonyl, wherein these radicals are unsubstituted or substituted by C1-C12alkyl;
• or R′3 is C2-C12alkylenedisulfonyl;
• R4 is hydrogen, phenyl, C1-C12alkyl which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12-alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6, C1-C12-alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R4 is C2-C12alkyl which is interrupted by one or more —O—, and which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6 C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R4 is C2-C12alkanoyl which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R4 is C1-C12 alkylsulfonyl which is unsubstituted or substituted by phenyl, OH, C1-C12-alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R4 is phenylsulfonyl, or (4-methylphenyl)sulfonyl;
• R5 and R6 independently of each other are hydrogen or C1-C12alkyl which is unsubstituted or substituted by OH, C1-C4alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, phenylamino, phenylaminocarbonyl, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methyl-phenyl)sulfonyl and/or C1-C6alkanoyl;
• or R5 and R6 are C2-C12alkyl which is interrupted by one or more —O—, and which is unsubstituted or substituted by OH, C1-C4alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, phenylamino, phenylaminocarbonyl, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or C1-C6alkanoyl;
• or R5 and R6 are C2-C12alkanoyl which is unsubstituted or substituted by phenyl, OH, C1-C12-alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, phenylamino, phenylaminocarbonyl, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R5 and R6 are C1-C12 alkylsulfonyl which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, phenylamino, phenylaminocarbonyl, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl sulfonyl and/or by C2-C6alkanoyl, or R5 and R6 are phenylsulfonyl, (4-methylphenyl)sulfonyl;
• or R5 and R6 are phenyl, benzoyl, naphthylsulfonyl, anthracylsulfonyl or phenanthrylsulfonyl;
• or R5 and R6, together with the nitrogen atom to which they are attached, form a 5-, 6- or 7-membered ring which optionally is interrupted by —O— or by —NR4—;
• R7 is hydrogen, phenyl, C1-C12alkyl which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl,
• or R7 is C2-C12alkyl which is interrupted by one or more —O—, and which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R7 is C2-C12alkanoyl which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R7 is C1-C12 alkylsulfonyl which is unsubstituted or substituted by phenyl, OH, C1-C12alkoxy, C2-C12alkoxycarbonyl, phenoxy, phenoxycarbonyl, phenylthio, phenylthiocarbonyl, NR5R6, C1-C12alkylsulfonyl, phenylsulfonyl, (4-methylphenyl)sulfonyl and/or by C2-C6alkanoyl;
• or R7 is phenylsulfonyl, or (4-methylphenyl)sulfonyl;
• provided that if R″1 is 4-methylphenyl or 4-octylphenyl, then R″3 is not methanesulfonyl.