Unsaturated cyclic and acyclic carbamates exhibiting taste and flavor enhancement effect in flavor compositions
US8007849B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2005 |
| Grant date | Aug 30, 2011 |
| Priority date | — |
| Expiry date | Mar 29, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to novel compounds having sweet, salt or umami taste enhancement qualities. These compounds have the structure:where R1 is H or methyl;R2 is selected from the group consisting of H, C1-C4 alkyl, alkenyl;R3 is selected from the group consisting of H, phenyl, C1-C10 straight or branched chain alkyl, alkenyl, alkynyl, alkyldienyl, acyclic or containing no more than one ring, which contains no more than a total of five heteroatoms selected from F, O, S, N, and P; and if R1═H, R2 and R3 taken together can representcyclopropyl, cyclobutyl, cyclopentyl, cyclopentenyl, cyclohexyl, or cyclohexenyl, which contains no more than two of each heteroatom selected from N, O, and S;or if R1, R2 and R3 taken together can represent one, or two aromatic rings, which contain no more than three of each heteroatom selected from F, N, S, and O.R4 is selected from the group consisting of H, methyl or ethyl;R5 is selected from the group consisting of H, methyl and ethyl;R6 is selected from the group consisting of H, C1-C9 straight or branched chain alkyl, alkenyl, alkyldienyl, acyclic or containing no more than one ring;except for in the case of structure 1 when if R4═H or meth…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.