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US 10,570,105 B2Granted
Processes and intermediates for making sweet taste enhancers
AssigneeFirmenich SA
InventorsCatherine Tachdjian, Donald S. Karanewsky, Xiao-Qing Tang, Qing Chen, Peter Leeming, Tayyab Rashid, Daniel Levin
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Abstract
The present invention includes methods/processes and intermediates for preparing compounds having structural Formula (XI): wherein Y is C1-C12 alkylene or C1-C12 alkenylene; and R8 and R12 are independently C1-C12 alkyl.
Claims13
A process of preparing a compound having structural formula (XI):
- comprising:
- reacting a compound having structural formula (XII):
- with R8NH2 under a pressure higher than the standard atmospheric pressure at a temperature ranging from about 90° C. to about 200° C.,
- wherein
- Y is C1-C12 alkylene or C1-C12 alkenylene;
- R8 is methyl, ethyl, propyl, butyl, pentyl, or hexyl;
- and
- R12 is C1-C12 alkyl.
5 more elements
Dependencies are inferred from the claim text.