Heterocyclic compounds
US4273929A · kind A · utility
43Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1980 |
| Grant date | Jun 16, 1981 |
| Priority date | — |
| Expiry date | Jan 29, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/601
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Pyrimidine derivatives of the formula ##STR1## wherein at least one of rings A and B is a trans-1,4-disubstituted cyclohexane ring and the other, optionally, may be aromatic and R is straight-chain alkyl or alkoxy of 1 to 10 carbon atoms or a branched-chain alkyl group of the formulas C.sub.2 H.sub.5 --CH(CH.sub.3)--(CH.sub.2).sub.n --wherein n is 1, 2 or 3, are described. Processes for the preparation of the compounds of formula I as well as their uses in liquid crystalline mixtures are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.