Process for making imidazolines and tetrahydropyrimidines from oxazolines and alkylenediamines
US4014880A · kind A · utility
13Cited by
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9Claims
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Key dates
| Filing date | Feb 9, 1976 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Feb 9, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The reaction of 2-oxazolines with 1,2- or 1,3-alkylenediamines to form 2-imidazolines or 1,4,5,6-tetrahydropyrimidines is catalyzed by Lewis acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.