Patent · US Expired

Polysubstituted dienes

US4576759A · kind A · utility

4Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 20, 1984
Grant dateMar 18, 1986
Priority date
Expiry dateJun 20, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C391/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The polysubstituted dienes according to the invention correspond to the general formula: ##STR1## in which: X denotes a group chosen from the groups SH, SR.sup.3, OR.sup.3, SeR.sup.3, NHR.sup.3 and N.dbd.R.sup.3 in which R.sup.3 denotes an aliphatic or cyclic, saturated or unsaturated group containing from 1 to 20 carbon atoms, PA0 Y denotes a group chosen from the groups C.tbd.N and ##STR2## where R.sup.4 denotes hydrogen or an aliphatic or cyclic, saturated or unsaturated group containing from 1 to 20 carbon atoms, provided that, when X denotes the group SCH.sub.3, Y does not denote the group ##STR3## and, when X denotes an OR.sup.3 group where R.sup.3 is an alkyl group containing at least three carbon atoms, Y does not denote the group C.tbd.N, PA0 R.sup.1 denotes hydrogen, halogen or an aliphatic, substituted or unsubstituted group containing from 2 to 8 carbon atoms, PA0 R.sup.2 denotes hydrogen, halogen, an aliphatic, substituted or unsubstituted group containing from 1 to 8 carbon atoms or an aromatic, substituted or unsubstituted group containing from 5 to 8 carbon atoms.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.