| 摘要 |
Novel benzonitriles, benzaldehydes and benzyl alcohols of the formula I <IMG> I where R1 is methyl or ethyl, R2 is alkyl, alkenyl, cycloalkyl, cycloalkenyl, bicycloalkyl, bicycloalkenyl, or C1-C5-alkyl-substituted cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl, X is hydrogen, chlorine or fluorine and Z is -CN, CHO or <IMG> where R3 is hydrogen, cyano, C2-C4-alkynyl, C2-C4-alkenyl or C1-C4-alkyl, with the proviso that R2 is not -CH2-CH=CH- B when B is hydrogen, alkyl or alkenyl and at the same time R1 is methyl and Z is <IMG> and with the proviso that R2 is not methyl or ethyl when R1 is methyl and at the same time Z is <IMG> and furthermore with the proviso that R2 is not methyl when R1 is methyl or ethyl and at the same time Z is -CN or -CHO.
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