3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride

3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride Basic information
Product Name:3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride
Synonyms:3-(2-chlorophenyl)-5-methyl-4-isoxazolecarbonylchlorid;4-Isoxazolecarbonyl chloride, 3-(2-chlorophenyl)-5-methyl-;4-Isoxazolecarbonyl chloride, 3-(o-chlorophenyl)-5-methyl- (8ci);Einecs 247-137-4;Nsc 81237;3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl chloride;3-(o-Chlorophenyl)-5-methyl-4-isoxazolecarbonyl chloride;3-(O-CHLOROPHENYL)-5-METHYL-4-CHLOROCARBONYLISOXAZOLE
CAS:25629-50-9
MF:C11H7Cl2NO2
MW:256.08
EINECS:247-137-4
Product Categories:Aromatics;Heterocycles;Oxazole&Isoxazole
Mol File:25629-50-9.mol
3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride Structure
3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride Chemical Properties
Melting point 41-42°C
Boiling point 381.7±42.0 °C(Predicted)
density 1.381±0.06 g/cm3(Predicted)
vapor pressure 0.001Pa at 25℃
form crystalline solid
pka-5.80±0.50(Predicted)
color White to off-white
Water Solubility 128.2mg/L at 25℃
Sensitive Moisture Sensitive
BRN 791931
InChIInChI=1S/C11H7Cl2NO2/c1-6-9(11(13)15)10(14-16-6)7-4-2-3-5-8(7)12/h2-5H,1H3
InChIKeyBPDBLWKFVXHGFT-UHFFFAOYSA-N
SMILESC(Cl)(C1=C(C)ON=C1C1=CC=CC=C1Cl)=O
LogP2.61 at 25℃
CAS DataBase Reference25629-50-9(CAS DataBase Reference)
EPA Substance Registry System4-Isoxazolecarbonyl chloride, 3-(2-chlorophenyl)-5-methyl- (25629-50-9)
Safety Information
Risk Statements 34
Safety Statements 26-36/37/39-45-36/45
RIDADR 3261
TSCA Yes
HazardClass 8
PackingGroup II
HS Code 2934999090
MSDS Information
3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride Usage And Synthesis
Chemical Properties3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride is Cream solid
Uses3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride is used for preparing isoxazolyl penicillin derivatives.
Flammability and ExplosibilityNotclassified
SynthesisTo the solution was dropwise added under cooling at -12° to -14°C a solution of 3-(2-chlorophenyl)-5-methylisoxazol-4-carbonyl chloride, which was prepared from 3-(2-chlorophenyl)-5-methylisoxazol-4-carboxylic acid (1.78 g.) and thionyl chloride (10 ml.), in methylene chloride and then stirred for 5 hours. After the reaction, to the solution was added ice-water, and the resulant mixture was washed with water, dilute phosphoric acid, an aqueous solution of sodium bicarbonate and water in turn, and dried over magnesium sulfate.
3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride Preparation Products And Raw materials
Raw materialsHydroxylamine hydrochloride-->Phosphorus pentachloride-->2-Chlorobenzaldehyde
Preparation Products3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide
3-Phenylisoxazole Chlorodimethylphenylsilane Methyl Bensulfuron methyl 3-(2-Chlorophenyl)-5-methylisoxazole-4-carbonyl chloride 3,5-DIMETHYL-4-ISOXAZOLECARBALDEHYDE CARBONYL SULFIDE Chlorophenyl 3,5-DIMETHYLISOXAZOLE-4-CARBONYL CHLORIDE 4-(CHLOROMETHYL)ISOXAZOLE Kresoxim-methyl Thiophanate-methyl 5-Methylisoxazole 5-Methyl-4-isoxazolecarboxylic acid METSULFURON METHYL 4-Isoxazolecarboxylic acid 2-​[[(2-​ethylphenyl)​(2-​hydroxyethyl)​amino]​methyl]​-​3,​3-​difluoro-Propanenitrile p-Toluoyl chloride

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