220396
Ethyl 2-acetoxy-2-methylacetoacetate
97%
Synonym(s):
Ethyl 2-acetyllactate acetate
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About This Item
Linear Formula:
CH3COC(O2CCH3)(CH3)CO2C2H5
CAS Number:
Molecular Weight:
202.20
UNSPSC Code:
12352100
PubChem Substance ID:
EC Number:
246-951-7
MDL number:
Assay:
97%
Form:
liquid
InChI key
RHFWCEYBHLGCKH-UHFFFAOYSA-N
InChI
1S/C9H14O5/c1-5-13-8(12)9(4,6(2)10)14-7(3)11/h5H2,1-4H3
SMILES string
CCOC(=O)C(C)(OC(C)=O)C(C)=O
assay
97%
form
liquid
refractive index
n20/D 1.428 (lit.)
bp
80-84 °C/1 mmHg (lit.)
density
1.079 g/mL at 25 °C (lit.)
Application
Ethyl 2-acetoxy-2-methylacetoacetate was used to prepare 2-acetolactate via hydrolysis with NaOH. It was also used in isolation and characterization of a novel thermophilic bacterium Geobacillus sp. for the production of acetoin and 2,3-butanediol.
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
219.2 °F - closed cup
flash_point_c
104.00 °C - closed cup
ppe
Eyeshields, Gloves
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Chin-Yu Chen et al.
Scientific reports, 8(1), 7176-7176 (2018-05-10)
Ketol-acid reductoisomerase (KARI) is a bifunctional enzyme in the second step of branched-chain amino acids biosynthetic pathway. Most KARIs prefer NADPH as a cofactor. However, KARI with a preference for NADH is desirable in industrial applications including anaerobic fermentation for
Lingxue Lu et al.
Microbial cell factories, 19(1), 102-102 (2020-05-14)
Acetoin, especially the optically pure (3S)- or (3R)-enantiomer, is a high-value-added bio-based platform chemical and important potential pharmaceutical intermediate. Over the past decades, intense efforts have been devoted to the production of acetoin through green biotechniques. However, efficient and economical
Zijun Xiao et al.
Biotechnology for biofuels, 5(1), 88-88 (2012-12-12)
Acetoin and 2,3-butanediol are two important biorefinery platform chemicals. They are currently fermented below 40°C using mesophilic strains, but the processes often suffer from bacterial contamination. This work reports the isolation and identification of a novel aerobic Geobacillus strain XT15
R Y Xing et al.
Journal of bacteriology, 173(6), 2086-2092 (1991-03-01)
Methanococcus aeolicus, Methanococcus maripaludis, and Methanococcus voltae contain similar levels of four enzymes of branched-chain amino acid biosynthesis: acetohydroxy acid synthase, acetohydroxy acid isomeroreductase, dihydroxy acid dehydratase, and transaminase B. Following growth at low partial pressures of H2-CO2, the levels
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