C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
31/105, 260/251,
C07D 239/26 (2006.01) C07C 41/54 (2006.01) C07C 43/313 (2006.01) C07C 43/315 (2006.01) C07C 45/51 (2006.01) C07C 47/277 (2006.01) C07C 47/55 (2006.01) C09K 19/34 (2006.01) C09K 19/42 (2006.01)
Patent
CA 1082706
ABSTRACT Optically active pyrimidine derivatives of the general formula Image (I) wherein the symbol Z represents a group of the formula -(CH2)n- or -(CH2)n-O- in which n stands for an integer of 1 to 4 and each of the symbols X represents a nitrogen atom and each of the symbols Y represents -CH- or each of the symbols Y represents a nitrogen atom and each of the symbols X represents -CH- and their preparation. The compounds of formula I are valuable components in liquid crystalline mixtures, particularly in combination with nematic components and are thus utilizable for electro-optic purposes.
297450
Boller Arthur
Cereghetti Marco
Scherrer Hanspeter
Fetherstonhaugh & Co.
Hoffmann-La Roche Limited
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