| abstract |
PCT No. PCT/EP95/01554 Sec. 371 Date Oct. 31, 1996 Sec. 102(e) Date Oct. 31, 1996 PCT Filed Apr. 25, 1995 PCT Pub. No. WO95/29896 PCT Pub. Date Nov. 9, 1995Methyl alpha -phenylbutenoates of the formula I <IMAGE> I where +E,uns --+EE is a single or double bond and the index and the substituents have the following meanings: n is 0, 1, 2, 3 or 4; R1 is nitro, cyano, halogen, alkyl, haloalkyl or alkoxy; R2 is hydrogen, nitro, cyano, halogen, alkyl, haloalkyl, alkoxy, alkylthio or alkoxycarbonyl; R3 is unsubst. or subst. alkyl, alkenyl or alkynyl; an unsubst. or subst. saturated or mono-or diunsaturated ring which, in addition to carbon atoms, can contain one to three of the following heteroatoms as ring members: oxygen, sulfur and nitrogen, or an unsubst. or subst. mono- or binuclear aromatic radical which, in addition to carbon atoms, can contain one to four nitrogen atoms or one or two nitrogen atoms and an oxygen or sulfur atom or an oxygen or sulfur atom as ring members, processes for their preparation and their use are described. |