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Chemical Structure| 220269-80-7 Chemical Structure| 220269-80-7

Structure of 220269-80-7

Chemical Structure| 220269-80-7

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Product Details of [ 220269-80-7 ]

CAS No. :220269-80-7
Formula : C10H9BrN2O2
M.W : 269.09
SMILES Code : O=C(OCC)NC1=CC=C(Br)C=C1C#N
MDL No. :MFCD20483623
InChI Key :NQFAHYWFJMMSLF-UHFFFAOYSA-N
Pubchem ID :18367857

Safety of [ 220269-80-7 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P280-P301+P312-P302+P352-P305+P351+P338

Application In Synthesis of [ 220269-80-7 ]

* 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 [ 220269-80-7 ]

[ 220269-80-7 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 220269-80-7 ]
  • [ 624-84-0 ]
  • [ 882517-92-2 ]
YieldReaction ConditionsOperation in experiment
81% To a solution of 4-bromo-2-cyano-phenyl)-carbamic acid ethyl ester (40.4 g, 150 mmol) in NMP (170 mL) was added formylhydrazine (10.0 g, 150 mmol). The resulting mixture was stirred for 1.5 h at 160 C. under a gentle nitrogen sweep. It was cooled to below 100 C. and water (340 mL) was added slowly. The resulting slurry was cooled to 25 C. and stirred for 15 min. The solid was collected by filtration and washed with water and 2-propanol. Drying in vacuo afforded the title compound (32.4 g, 81%) as a light yellow solid. MS: m/e=264.9/267.0 (M+H+).
81% b) 9-Bromo-6H-[1,2,4]triazolo[1,5-c]quinazolin-5-one To a solution of (4-bromo-2-cyano-phenyl)-carbamic acid ethyl ester (40.4 g, 150 mmol) in NMP (170 mL) was added formylhydrazine (10.0 g, 150 mmol). The resulting mixture was stirred for 1.5 h at 160 C. under a gentle nitrogen sweep. It was cooled to below 100 C. and water (340 mL) was added slowly. The resulting slurry was cooled to 25 C. and stirred for 15 min. The solid was collected by filtration and washed with water and 2-propanol. Drying in vacuo afforded the title compound (32.4 g, 81%) as a light yellow solid. MS: m/e 264.9/267.0 [M+H+].
81% In 1-methyl-pyrrolidin-2-one; at 160℃; for 1.5h; To a solution of 4-bromo-2-cyano-phenyl)-carbamic acid ethyl ester (40.4 g, 150 mmol) in NMP (170 mL) was added formylhydrazine (10.0 g, 150 mmol). The resulting mixture was stirred for 1.5 h at 160 C. under a gentle nitrogen sweep. It was cooled to below 100 C. and water (340 mL) was added slowly. The resulting slurry was cooled to 25 C. and stirred for 15 min. The solid was collected by filtration and washed with water and 2-propanol. Drying in vacuo afforded the title compound (32.4 g, 81%) as a light yellow solid. MS: m/e=264.9/267.0 [M+H+].
 

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