C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 405/12 (2006.01) C09K 19/34 (2006.01) C09K 19/58 (2006.01)
Patent
CA 2087597
WO 92/01685 PCT/EP91/01365 Abstract of the disclosure: Compounds of the formula (I) in which the symbols have the following meanings: R1 is straight-chain or branched (C3-C12)alkenyl containing a terminal double bond, it being possible for one or two non-adjacent CH2 groups to be replaced by O and/or S atoms, A and B, independently of one another, are phenyl, diazine-2,5-diyl or diazine- 3,6-diyl, with the proviso that one of the groups A or B is phenyl and the other is diazine, X is O or S, R2, R3 and R4, independently of one another, are H, straight- chain (C1-C10)alkyl or branched (C3-C10)alkyl, R2, R3 and R4 not simultaneously being H, have the property of increasing the phase width in CC mixtures or depressing the melting point.
Blatter Karsten
Escher Claus
Harada Takamasa
Harnischfeger Peter
Hemmerling Wolfgang
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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