Patent ID: 6887533

Claim:
Compounds of the formula (I) where: X 1 is H or F G 1 -G 2 is â€”CH 2 â€”CHâ€” or CHâ•Câ€” R 1 , R 2 are a) H b) the M 2 -A 2 -R 5 moiety c) a straight-chain or branched alkyl radical having from 1 to 16 carbon atoms or a straight-chain or branched alkenyl radical having from 2 to 16 carbon atoms, in each of which c1) one or more nonadjacent and nonterminal CH 2 groups may be replaced by â€”Oâ€”, â€”C(â•O)Oâ€”, â€”Oâ€”C(â•O)â€”, â€”Oâ€”C(â•O)â€”Oâ€”, â€”C(â•O)â€” or â€”Si(CH 3 ) 2 â€” and/or c2) one CH 2 group may be replaced by â€”Câ‰¡Câ€”, cyclopropane-1,2-diyl, cyclobutane-1,3-diyl, cyclohexane-1,4-diyl or phenylene-1,4-diyl and/or c3) one or more hydrogen atoms may be replaced by F and/or Cl, R 3 is a) H b) the M 2 -A 2 -R 5 moiety c) a straight-chain or branched alkyl or alkyloxy radical having from 1 to 16 carbon atoms or a straight-chain or branched alkenyl or alkenyloxy radical having from 2 to 16 carbon atoms, in each of which c1) one or more nonadjacent and nonterminal CH 2 groups may be replaced by â€”Oâ€”, â€”C(â•O)Oâ€”, â€”Oâ€”C(â•O)â€”, â€”Oâ€”C(â•O)â€”Oâ€”, â€”C(â•O)â€” or â€”Si(CH 3 ) 2 â€” and/or c2) one CH 2 group may be replaced by â€”Câ‰¡Câ€”, cyclopropane-1,2-diyl, cyclobutane-1,3-diyl, cyclohexane-1,4-diyl or phenylene-1,4-diyl and/or c3) one or more hydrogen atoms may be replaced by F and/or Cl, R 4 is a) H b) F, Cl, CN, â€”NCS, CF 3 , CHF 2 , CH 2 F, OCF 3 , OCHF 2 , OCH 2 F, OCH 2 CF 3 , OCHâ•CF 2 c) the M 2 -A 2 -R 5 moiety d) a straight-chain or branched alkyl or alkyloxy radical having from 1 to 12 carbon atoms or a straight-chain or branched alkenyl or alkenyloxy radical having from 2 to 12 carbon atoms, in each of which d1) one or more nonadjacent and nonterminal CH 2 groups may be replaced by â€”Oâ€”, â€”C(â•O)Oâ€”, â€”Oâ€”C(â•O)â€”, â€”Oâ€”C(â•O)â€”Oâ€”, â€”C(â•O)â€” or â€”Si(CH 3 ) 2 â€” and/or d2) one CH 2 group may be replaced by â€”Câ‰¡Câ€”, cyclopropane-1,2-diyl or cyclobutane-1,3-diyl and/or d3) one or more hydrogen atoms may be replaced by F and/or Cl, M 2 is â€”COâ€”Oâ€”, â€”Oâ€”COâ€”, â€”CH 2 â€”Oâ€”, â€”Oâ€”CH 2 â€”, â€”CF 2 â€”Oâ€”, â€”Oâ€”CF 2 â€”, â€”CHâ•CHâ€”, â€”CFâ•CFâ€”, â€”Câ‰¡Câ€”, â€”CH 2 â€”CH 2 â€”COâ€”Oâ€”, â€”Oâ€”COâ€”CH 2 â€”CH 2 â€”, â€”CH 2 â€”CH 2 â€”, â€”CF 2 â€”CF 2 â€”, â€”(CH 2 ) 4 â€”, â€”OC(â•O)CFâ•CFâ€” or a single bond A 2 is 1,4-phenylene in which one or two hydrogen atoms may be replaced by F, Cl, CN and/or OCF 3 or up to three hydrogen atoms may be replaced by fluorine, is 1,4-cyclohexylene in which one or two hydrogen atoms may be replaced by CH 3 and/or F, is 1-cyclohexene-1,4-diyl in which one hydrogen atom may be replaced by CH 3 or F or is 1,3-dioxane-2,5-diyl, R 5 has the same possible definitions as R 3 except -M 2 -A 2 -R 5 , with the provisos that a) when R 2 is not H, R 1 and R 3 have to be H, b) when R 2 is H, R 4 must not have the definitions c) or d), c) R 1 , R 2 , R 3 and R 4 must not at the same time be H.