Patent · US Expired

Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond

US5344985A · kind A · utility

21Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1992
Grant dateSep 6, 1994
Priority date
Expiry dateDec 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.