Patent · US Expired

Process of preparing unsymmetrical disulfides

US4017489A · kind A · utility

7Cited by
8References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 10, 1975
Grant dateApr 12, 1977
Priority date
Expiry dateJul 10, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/51
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An N-(aminothio)-phthalimide such as N-(morpholinothio)-phthalimide is reacted with a compound having the structure RSH or a metallic salt thereof, for example, benzene thiol, to produce a compound having the structure RSSNR.sup.1 R.sup.2, such as N-(phenyldithio)-morpholine. Compounds prepared according to this process are either accelerators or retarders.

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