Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond
US5344985A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1992 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Dec 23, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C323/29
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A pyrenylamine derivative having an unsaturated bond of formula (I), which can be employed as an organic photoconductive material for use in electrophotography: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, W, l, m, n j and k are specifically defined the specification, an aldehyde compound of formula (II), which is an intermediate for preparing the pyrenylamine derivative: ##STR2## and methods of producing the pyrenylamine derivative and the aldehyde compound are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.