3405-77-4 5-methyl-1,2-oxazole-3-carboxylic Acid

3405-77-4 5-methyl-1,2-oxazole-3-carboxylic Acid

5-Methylisoxazole-3-carboxylic acid Basic information 5-Methylisoxazole-3-carboxylic acid Chemical Properties Safety Information 5-Methylisoxazole-3-carboxylic acid Usage And Synthesis 5-Methylisoxazole-3-carboxylic acid Preparation Products And Raw materials Upstream information...
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Product Details

5-Methylisoxazole-3-carboxylic acid Basic information

Product Name:

5-Methylisoxazole-3-carboxylic    acid

Synonyms:

AKOS PAO-1374;5-METHYLISOXAZOLE-3-CARBOXYLIC    ACID;5-METHYL-3-ISOXAZOLECARBOXYLIC ACID;BUTTPARK 27\08-47;TIMTEC-BB    SBB005437;5-Methylisoxazole-3-carboxylicacid,98+%;5-Methylisooxazole-3-carboxylic acid;5-Methyl-3-isooxazolecarboxylic acid

CAS:

3405-77-4

MF:

C5H5NO3

MW:

127.1

EINECS:

222-289-4

Product Categories:

Heterocycles series;Carboxylic Acids;Oxazoles,Isoxazoles & Benzoxazoles;Carboxylic Acids;Oxazoles,Isoxazoles & Benzoxazoles;Building Blocks;Heterocyclic Building Blocks;Isoxazoles;Building Blocks;Chemical Synthesis;Heterocyclic Building Blocks

Mol File:

3405-77-4.mol

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5-Methylisoxazole-3-carboxylic acid Chemical Properties

Appearance:

slight yellow solid

Density:

1.348 g/cm3

Melting   Point:

106-110ºC

Boiling   Point:

312.5ºC at 760 mmHg

Refractive   Index:

1.514

BRN

114094

CAS DataBase Reference

3405-77-4(CAS    DataBase Reference)


Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-37/39

Hazard Note 

Irritant

HazardClass 

IRRITANT

Hs code

2934999090


5-Methylisoxazole-3-carboxylic acid Usage And Synthesis

Chemical Properties

Off-white solid

Uses

Reactant for:• ;Click/aza-Michael or Click/oligomeric alkyl carbodiimide esterification reactions1• ;Preparation of aminopyrazole amide derivatives as Raf kinase inhibitors in   melanoma cells2• ;Preparation of trifluoromethoxyphenyl (thiazolyl) pyrroles and other heterocycle-bearing polyfunctionalized pyrroles via chain heterocyclization3

Intermediate as

59-63-2 Isocarboxazid, 501925-31-1    PNU-120596, 215874-86-5 a51a

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Synthesis route

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Reference:

Jackson,Patrice L.;Hanson,Clive D.;Farrell, Alanna K.;Butcher, Raymond J.; Stables, James P.;Eddington, Natalie D.;Scott European Journal of Medicinal Chemistry,2012 ,vol.51, p.42 - 51 Chemische Berichte, , vol. 24, p. 3908 Chemische Berichte, , vol. 42, p. 60
Gazzetta Chimica Italiana, ,vol.72,p.411,422 Journal of the American Pharmaceutical Association(1912-1977),,vol. 42, p. 594,597
Chemische Berichte, , vol. 45, p. 3045

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Reference:

Van Arnum, Susan D.; Niemczykapi, Henry J. Journal of Heterocyclic Chemistry, 2009 , vol. 46, # 5 p. 909 - 913 Gazzetta Chimica Italiana, , vol. 78, p. 622,628 Atti X. Congr. int. Chim. Rom, , p. Bd. 3, S. 110, 118

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Reference:

Gazzetta Chimica Italiana, ,vol. 69, p.536,541 Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali,Rendiconti, , vol. <8> 13, p. 39,40

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Journal of Medicinal    Chemistry, , vol. 48, # 22 p. 6767 - 6771

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Reference:

Gazzetta Chimica Italiana, , vol. 78, p.    764,766


5-Methylisoxazole-3-carboxylic acid Preparation Products And Raw materials

Raw materials

Nitric    acid-->Acetonylacetone


Upstream information

3,5-dimethyl-1,2-oxazole; ethyl 5-methyl-1,2-oxazole-3-carboxylate; 5-methyl-isoxazole-3-carboxylic acid methylamide; hydroxylamine; acetylpyruvate;methyl 2,4-dioxopentanoate; Ethanol; hydrogen chloride; 5-methyl-1,2-oxazole-3-carboxylic acid; phenylhydrazine;


Downtream information

Ethyl 3-methyl-1H-pyrazole-5-carboxylate; 5-methyl-4-nitro-1,2-oxazole-3-carboxylic acid; 5-methyl-pyrazole-3-carboxylic acid; 5-(chloromethyl)-1,2-oxazole-3-carbonyl chloride; 5-methyl-3-[6-[(1-methyltriazol-4-yl)methoxy]-[1,2,4]triazolo[3,4-a]phthalazin-3-yl]-1,2-oxazole; (5-methyl-1,2-oxazol-3-yl)methanol; 1-(5-methyl-1,2-oxazol-3-yl)ethanone; 5-methyl-1,2-oxazole-3-carbaldehyde; 5-methyl-1,2-oxazole-3-carbonyl chloride; 5-Methyl-1-phenylpyrazole-3-carboxylic acid

 

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