Patent ID: 6670514
Filing Date: 2003-12-30
Classification: C07C,C09K

Abstract:
A compound of the formula (I) in which:R1 is H, F, CF3, OCF3, OCF2H, OCFH2, an alkyl radical having 1 to 12 carbon atoms or an alkenyl radical having 2 to 8 carbon atoms, where, in each case, one (nonterminal) â€”CH2â€” group may be replaced by â€”Oâ€” or â€”C(&boxH;O)Oâ€” and/or one or more H may be replaced by F; R2 is H, an alkyl radical or alkyloxy radical having 1 to 12 carbon atoms or an alkenyl or alkenyloxy radical having 2 to 8 carbon atoms, where, in each case, one (nonterminal) â€”CH2â€” group may be replaced by â€”Oâ€” or â€”C(&boxH;O)Oâ€” and/or one or more H may be replaced by F; G2â€”G1 is â€”CH&boxH;CHâ€”, â€”CH2CH2â€”, â€”CF&boxH;CHâ€”, â€”CH&boxH;CFâ€”, â€”CF&boxH;CFâ€”, â€”CH2â€”, â€”CF2â€”; M1, M2 are each, independently of one another, â€”C(&boxH;O)Oâ€”, â€”OC(&boxH;O)â€”, â€”CH2Oâ€”, â€”OCH2â€”, â€”OCF2â€”, â€”CF2Oâ€”, â€”Câ‰¡Câ€”, â€”CH2CH2â€”, â€”CF2CF2â€” or a single bond; A1, A2 are each, independently of one another, phenylene-1,4-diyl, unsubstituted, monosubstituted or disubstituted by F, cyclohexane-1,4-diyl, 1,3-dioxan-2,5-diyl; m, n are each, independently of one another, zero or 1; m+n=0 or 1; with the provisos that a) when G2â€”G1 is â€”CF&boxH;CHâ€” or â€”CF&boxH;CFâ€”, r, s, t, u must be zero b) when q=1, s and u must be zero c) when G2â€”G1 is â€”CH&boxH;CHâ€” or â€”CH2CH2â€”, at least one of q, r, s, t, u must be 1.