441236
Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate,mixture of cis and trans
96%
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About This Item
Linear Formula:
CF3COC(=CHOC2H5)CO2C2H5
CAS Number:
Molecular Weight:
240.18
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
96%
form
liquid
refractive index
n20/D 1.429 (lit.)
bp
80-82 °C/1 mmHg (lit.)
density
1.235 g/mL at 25 °C (lit.)
functional group
ester
ether
fluoro
ketone
storage temp.
2-8°C
SMILES string
CCO\C=C(\C(=O)OCC)C(=O)C(F)(F)F
InChI
1S/C9H11F3O4/c1-3-15-5-6(8(14)16-4-2)7(13)9(10,11)12/h5H,3-4H2,1-2H3/b6-5+
InChI key
XNGGOXOLHQANRB-AATRIKPKSA-N
General description
Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate has been reported to participate in the microwave-assisted synthesis of ethyl 1-[4-(2,3,3-trichloroacrylamido)phenyl]-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate.[1]
Application
Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate may be employed as a starting reagent for the synthesis of 1-methyl-3-trifluoromethyl-1H-pyrazole-4- carboxylic acid.[2]
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
219.2 °F - closed cup
Flash Point(C)
104.00 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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European Journal of Medicinal Chemistry, 28, 853-853 (1993)
High-speed microwave-assisted synthesis of the trifluoromethylpyrazol-derived canonical transient receptor potential (TRPC) channel inhibitor Pyr3.
Toma N Glasnov et al.
ChemMedChem, 4(11), 1816-1818 (2009-09-04)
L Mosti et al.
Farmaco (Societa chimica italiana : 1989), 47(4), 427-437 (1992-04-01)
The synthesis of ethyl or methyl esters of 5-cyano-1,6-dihydro-6-oxo-3- pyridinecarboxylic acids carrying as 2-substituent a polar group such as CO2C2H5, (CH2)2CO2CH3, (CH2)3CO2C2H5, CH2OCH3, or CF3 group is described. Also 2-[5-cyano-1,6-dihydro-2-(1,1-dimethylethyl)-6-oxo-3-pyridyl]-2- oxoacetic acid and 2,5,6,8-tetrahydro-2,5-dioxo-1H-thiopyrano[3,4-b]pyridine-3-carbon itrile were prepared. Nearly all the
R D Franz
AAPS pharmSci, 3(2), E10-E10 (2001-12-14)
The changes in the physiochemical properties accompanying the substitution of a phosphonic acid group for a carboxylic acid group on various heterocyclic platforms was determined. A series of low molecular weight heterocyclic carboxylic and phosphonic acids was prepared, and the
L Sansebastiano et al.
Farmaco (Societa chimica italiana : 1989), 48(3), 335-355 (1993-03-01)
The synthesis of ethyl or methyl 4-substituted or unsubstituted 2-methylthio-5-pyrimidinecarboxylates 3 a-i and 8 o mainly by reaction of ethyl or methyl 2-dimethylaminomethylene-3-oxoalkanoates with 2-methylisothiourea is described. Also some ethyl 2-substituted (NH2, CH3, C6H5) 4-trifluoromethyl-5-pyrimidinecarboxylates were prepared. Some of the
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