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[ CAS No. 91004-40-9 ]

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Type HazMat fee for 500 gram (Estimated)
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Chemical Structure| 91004-40-9
Chemical Structure| 91004-40-9
Structure of 91004-40-9 * Storage: {[proInfo.prStorage]}
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Quality Control of [ 91004-40-9 ]

Related Doc. of [ 91004-40-9 ]

Alternatived Products of [ 91004-40-9 ]

Product Details of [ 91004-40-9 ]

CAS No. :91004-40-9 MDL No. :MFCD24582346
Formula : C9H9NO4 Boiling Point : -
Linear Structure Formula :- InChI Key :-
M.W :195.17 g/mol Pubchem ID :-
Synonyms :

Safety of [ 91004-40-9 ]

Signal Word:Danger Class:9
Precautionary Statements:P260-P264-P273-P301+P312-P305+P351+P338-P314 UN#:3077
Hazard Statements:H302-H319-H372-H410 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 91004-40-9 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Upstream synthesis route of [ 91004-40-9 ]
  • Downstream synthetic route of [ 91004-40-9 ]

[ 91004-40-9 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 91004-40-9 ]
  • [ 27383-86-4 ]
YieldReaction ConditionsOperation in experiment
0.72 g With azodicarboxylic acid bis(2-methoxyethyl) ester; triphenylphosphine In tetrahydrofuran at 20℃; for 3 h; Cooling with ice A mixture of 2.16 g of azodicarboxylic acid bis(2- methoxyethyl)ester and 10 ml of THF was added dropwise to a mixture of 1.2 g of methyl 2-[(2-hydroxyphenyl)amino]-2- oxo-acetate, 2.42 g oftriphenylphosphine, and 25 ml of THF under ice cooling, followed by stirring for 3 hours at room temperature. The reaction mixture was concentrated under reduced pressure, and the residues were subjected to silica gel column chromatography, thereby obtaining 0.72 g of methyl benzoxazole-2-carboxylate (hereinafier, described as a “compound 16 of the present invention”).Compound 16 of the Present Invention11219] ‘H-NMR (CDC13) ö: 7.92-7.89 (m, 1H), 7.70-7.66 (m, 1H), 7.57-7.52 (m, 1H), 7.50-7.45 (m, 1H), 4.10 (s, 3H)
Reference: [1] Patent: US2015/289512, 2015, A1, . Location in patent: Paragraph 1218; 1219
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