Synthesis of acid addition salt of delta-aminolevulinic acid from 5-bromo levulinic acid esters
Patent
·
OSTI ID:958116
- Lakewood, CO
A process of preparing an acid addition salt of delta-aminolevulinc acid comprising: a) dissolving a lower alkyl 5-bromolevulinate and hexamethylenetetramine in a solvent selected from the group consisting of water, ethyl acetate, chloroform, acetone, ethanol, tetrahydrofuran and acetonitrile, to form a quaternary ammonium salt of the lower alkyl 5-bromolevulinate; and b) hydrolyzing the quaternary ammonium salt with an inorganic acid to form an acid addition salt of delta-aminolevulinic acid.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO
- Sponsoring Organization:
- United States Department of Energy
- DOE Contract Number:
- AC36-83CH10093
- Assignee:
- Midwest Research Institute (Kansas City, MO)
- Patent Number(s):
- 6,583,317
- Application Number:
- US patent applciation 09/691,474
- OSTI ID:
- 958116
- Country of Publication:
- United States
- Language:
- English
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