L-aminodicarboxylic-(O-cycloalkyl)-L-aminocarboxylate alkyl ester sweeteners
US4622417A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1984 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | Dec 27, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S530/801
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Dipeptides of certain .alpha.-amino dicarboxylic acids and etherified hydroxy .alpha.-amino-mono-carboxylic acid esters possess a high order of sweetness. These dipeptides have the following formula: ##STR1## wherein R is alkyl containing 1-3 carbon atoms; PA0 R.sub.1 is cycloalkyl, cycloalkenyl, lower alkyl substituted cycloalkyl or cycloalkenyl, bicycloalkyl, bicycloalkenyl or tricycloalkyl containing up to 10 ring carbon atoms and up to a total of 12 carbon atoms; PA0 R.sub.2 and R.sub.4 are each H or alkyl containing 1-3 carbon atoms; PA0 R.sub.3 is H, alkyl containing 1-6 carbon atoms or cycloalkyl containing 3-5 ring carbons; PA0 n=0, 1 or 2; and PA0 m=0 or 1; PA0 and food acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.