Patent · US Expired

Process for preparing tetrahydro-1,3-oxazin-2-ones

US4384115A · kind A · utility

9Cited by
1References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 14, 1981
Grant dateMay 17, 1983
Priority date
Expiry dateDec 14, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D265/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Tetrahydro-1,3-oxazin-2-ones are prepared by contacting a 1,3-dioxan-2-one with an acyclic carbamate at a temperature from about 100.degree. C. to about 250.degree. C. in the presence of a catalytic amount of an alkali metal salt.

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