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Chemical Structure| 56788-14-8 Chemical Structure| 56788-14-8

Structure of 56788-14-8

Chemical Structure| 56788-14-8

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Product Details of [ 56788-14-8 ]

CAS No. :56788-14-8
Formula : C7H4N2O3
M.W : 164.12
SMILES Code : O=C(NC1=C2C=NC=C1)OC2=O
MDL No. :MFCD18836852

Safety of [ 56788-14-8 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H312-H315-H319-H332-H335
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501

Application In Synthesis of [ 56788-14-8 ]

* 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 [ 56788-14-8 ]

[ 56788-14-8 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 171178-34-0 ]
  • [ 503-38-8 ]
  • [ 56788-14-8 ]
YieldReaction ConditionsOperation in experiment
98% In 1,4-dioxane; for 4h;Heating / reflux; Trichloromethyl CHLOROFORMATE (9 mL, 75 mmol) was added slowly to a solution of <strong>[171178-34-0]4-tert-butoxycarbonylamino-nicotinic acid</strong> (118) (16.2 g, 68 mmol) in dioxane and refluxed for 4 h under nitrogen atmosphere. The solution was cooled and the solvent was removed under vacuum. The residue was recrystallized by ether to yield 10.92 g (98 %) of 1H-pyrido [4, 3-d] [1, 3] oxazine-2, 4-DIONE (119) as white solids. MP: 243 C ; 1H- NMR (DMSO-d6) : ), d 7.32 (d, J= 6.0 Hz, 1H), 8. 71 (d, J= 6.0 Hz, 1H), 9.11 (s, 1H); EIMS M/Z 165 (M+1).
 

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