Phenyl-pyrimidines
AssigneeHoffmann-La Roche Inc.
InventorsArthur Boller, Marco Cereghetti, Hanspeter Scherrer
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Abstract
Phenyl-pyrimidines of the formula ##STR1## wherein R.sub.1 and R.sub.2 are as hereinafter set forth, are described. The end products are useful as liquid crystals.
Claims18
A compound of the formula ##STR20## wherein one of R.sub.1 and R.sub.2 is cyano and the other is straight-chain alkyl of 3 to 9 carbon atoms, straight-chain alkoxy of 2 to 9 carbon atoms or straight-chain alkanoyloxy of 2 to 9 carbon atoms.
A compound in accordance with claim 2, 5-n-pentyl-2-(4-cyanophenyl)pyrimidine.
A compound in accordance with claim 2, 5-n-hexyl-2-(4-cyanophenyl)pyrimidine.
A compound in accordance with claim 2, 5-n-heptyl-2-(4-cyanophenyl)-pyrimidine.
Dependencies are inferred from the claim text.