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Structure of 28027-16-9

Chemical Structure| 28027-16-9

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Product Details of [ 28027-16-9 ]

CAS No. :28027-16-9
Formula : C11H9NO4
M.W : 219.19
SMILES Code : O=C(C1=C(O)C2=CC(OC)=CC=C2N=C1)O
MDL No. :MFCD00024003
InChI Key :YUXLPEGMXYHPCZ-UHFFFAOYSA-N
Pubchem ID :255289

Safety of [ 28027-16-9 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 28027-16-9 ]

* 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.

  • Downstream synthetic route of [ 28027-16-9 ]

[ 28027-16-9 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 77156-78-6 ]
  • [ 28027-16-9 ]
YieldReaction ConditionsOperation in experiment
99% With sodium hydroxide; In water; at 90℃; for 1.5h; A suspension of <strong>[77156-78-6]ethyl 4-hydroxy-6-methoxyquinoline-3-carboxylate</strong> (6, 17.8 g, 72 mmol) in 170 ml of 2 N aqueous sodium hydroxide was heated to 90 C for 1.5 h. Subsequently the reaction mixture was cooled to room temperature, poured on ice-water and acidified to pH 5 by addition of 2 N hydrochloric acid. The precipitated product was filtered, washed with cold water and dried to deliver 4-hydroxy-6-methoxyquinoline-3-carboxylic acid (7, 15.8 g, 72 mmol, 99 %). 1H-NMR (DMSO): delta = 3.91 (s, 3H), 7.53 (dd, 1H), 7.64 (d, 1H), 7.82 (d, 1H), 8.80 (d, 1H), 13.63 (bs, 1H), 15.55 (bs 1H). LC-MS: Rt = 1.20 min; MS: m/z = 220 [M+1]+.
 

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