Process for preparing tetrahydro-1,3-oxazin-2-ones
US4384115A · kind A · utility
9Cited by
1References
8Claims
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Key dates
| Filing date | Dec 14, 1981 |
| Grant date | May 17, 1983 |
| Priority date | — |
| Expiry date | Dec 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.