Patent · US Expired

Di(het)arylaminothiophene derivatives

US6984737B2 · kind B2 · utility

14Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2001
Grant dateJan 10, 2006
Priority date
Expiry dateJan 19, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/36
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to novel 2-(N,N-di(het)arylamino)-thiophene derivatives of formula (I), wherein R1, R2, R3, R4 and R5 are, independently each of other, each a monofunctional (het)aryl system and wherein R1 can also be a bifunctional (het)arylene system, R3 can also be a group R8, except when R1 is a bifunctional (het)arylene system, R8 representing chemical bond or a bifunctional (het)arylene system, R4 can also mean R10, R10 representing a chemical bond or a bifunctional (het)arylene system, or R4 can be one of the following groups (II) and (III), R9 representing a chemical bond or a bifunctional (het)arylene system and R5 can also be H or (IV).

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