Pyrimidine derivatives
US4309539A · kind A · utility
25Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1979 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Dec 10, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/3463
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Optically active pyrimidines of the formula ##STR1## wherein Z is --(CH.sub.2).sub.n -- or --(CH.sub.2).sub.n --O-- wherein n is an integer of 1 to 4 and each of the symbols X is a nitrogen atom and each of the symbols Y is --CH-- or each of the symbols Y is a nitrogen atom and each of the symbols X is --CH--, useful for electro-optical purposes, as well as liquid crystalline mixtures for electro-optical purposes containing compounds of the formula Ia and/or Ib, are described. The compounds of formulas Ia and Ib are useful for electro-optical purposes, for example, in electro-optical apparatuses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.