Patent ID: 6620468
Filing Date: 2003-09-16
Classification: C07D,C09K

Abstract:
A compound of the formula IR1â€”(A1â€”Z1)mâ€”A2â€”C2F4â€”A3â€”(Z2â€”A4)nâ€”R2â€ƒâ€ƒI in which R1 and R2, independently of one another, are H, â€”CN, â€”F, Cl, â€”OCN, â€”NCS, â€”NO2, or an alkyl radical having 1-12 carbon atoms which is unsubstituted or monosubstituted or polysubstituted by halogen, CN or CF3, and in which one or more CH2 groups are each, independently of one another, optionally replaced by â€”Oâ€”, â€”Sâ€”, â€”COâ€”, â€”COâ€”Oâ€”, â€”Oâ€”COâ€”, â€”Oâ€”COâ€”Oâ€”, â€”CH&boxH;CHâ€”, â€”CH&boxH;CFâ€”, â€”CF&boxH;CFâ€”, â€”Câ‰¡Câ€” or â€ƒin such a way that S and/or O atoms are not linked directly to one another, A1, A2, A3 and A4, independently of one another, are a) trans-1,4-cyclohexylene, in which one or more non-adjacent CH2 groups are optionally replaced by â€”Oâ€” and/or â€”Sâ€”, b) 1,4-phenylene, in which, one or two CH groups are optionally replaced by N, c) a radical selected from the group consisting of 1,4-bicyclo [2.2.2]octylene, piperidine-1,4-diyl, naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl and 1,2,3,4-tetrahydro-naphthalene-2,6-diyl, or d) 1,4-cyclohexenylene, in which the radicals a), b) and d) are optionally substituted by CN or halogen, and where at least one of the radicals A1, A2, A3 and A4 is 1,3-dioxane-2,5-diyl, Z1 and Z2 are each, independently of one another, â€”Oâ€”, â€”CH2Oâ€”, â€”OCH2â€”, â€”COâ€”Oâ€”, â€”Oâ€”COâ€”, â€”CF2Oâ€”, â€”OCF2â€”, â€”CF2CF2â€”, â€”CH2CH2â€”, â€”CH&boxH;CHâ€”,â€”CH&boxH;CFâ€”, â€”CF&boxH;CFâ€”, â€”Câ‰¡Câ€” or a single bond, and m and n, independently of one another, are 0, 1 or 2, where m+n is 0, 1 or 2.