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Chemical Structure| 539-44-6 Chemical Structure| 539-44-6

Structure of 539-44-6

Chemical Structure| 539-44-6

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Product Details of [ 539-44-6 ]

CAS No. :539-44-6
Formula : C7H10N2
M.W : 122.17
SMILES Code : NNC1=CC=C(C)C=C1
MDL No. :MFCD00060553

Safety of [ 539-44-6 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H315-H319-H335-H301+H311+H331
Precautionary Statements:P261-P264-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P311-P330-P361-P363-P403+P233-P405-P501
Class:6.1
UN#:2810
Packing Group:

Application In Synthesis of [ 539-44-6 ]

* 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 [ 539-44-6 ]

[ 539-44-6 ] Synthesis Path-Downstream   1~15

  • 1
  • [ 123-06-8 ]
  • [ 539-44-6 ]
  • [ 103646-82-8 ]
YieldReaction ConditionsOperation in experiment
80% In ethanol; for 2h;Reflux; General procedure: A mixture of the appropriate phenylhydrazine (0.001 mol)and 10 mL of ethanol was stirred and allowed to reflux.Then, 2-(ethoxymethylene)malononitrile (0.001 mol) dissolvedin 10 mL of ethanol was slowly added. The reactionmixture was refluxed for 2 h. The reaction mixture waspoured into 50 mL of ice-cold water. The precipitate wascollected by filtration and washed with water to provide10a-c in 61-80% yield.
80% In ethanol; for 2h;Reflux; General procedure: A mixture of the appropriate phenylhydrazine (0.001 mol) and10 mL of ethanol was stirred and allowed to reflux. Then, 2-(ethoxymethylene)malononitrile (0.001 mol) dissolved in 10 mL of ethanol was slowly added. The reaction mixture was refluxed for 2 h. The reaction mixture was poured into 50 mL of ice-cold water. The precipitate was collected by filtration and washed with water to produce 7-12 in 48-90% yield.
In ethanol; for 3h;Reflux; General procedure: A stirred mixture of para-substituted phenylhydrazine hydrochloride (0.025 mol) was dissolved inH2O (30 mL), then the pH of the mixture was adjusted to pH 7-8 by the dropwise addition of 10% NaOHsolution to form the free para-substituted phenyl hydrazines, which were then refluxed for 3 h withethoxymethylene malononitrile in an ethanol medium. After completion of the reaction, the reactionmixture was allowed to cool at room temperature, and the solid 2a-2d were filtered under vacuum. Thecrude products obtained were recrystallized from DMF to afford the pure products.
  • 2
  • [ 19090-04-1 ]
  • [ 539-44-6 ]
  • [ 66129-47-3 ]
  • 3
  • [ 80370-42-9 ]
  • [ 539-44-6 ]
  • ethyl 1-(4-methylphenyl)-1H-pyrazole-4-carboxylate [ No CAS ]
  • 4
  • [ 42466-67-1 ]
  • [ 539-44-6 ]
  • [ 15001-11-3 ]
  • 5
  • [ 539-44-6 ]
  • [ 16382-15-3 ]
  • 8
  • [ 21869-55-6 ]
  • [ 539-44-6 ]
  • [ 1381772-33-3 ]
  • 9
  • [ 141-97-9 ]
  • [ 539-44-6 ]
  • [ 74-88-4 ]
  • [ 56430-08-1 ]
YieldReaction ConditionsOperation in experiment
General procedure: A reaction mixture containing aryl hydrazine (2 mmol), ethyl acetoacetate (2 mmol), molecular sieves (4 A) and toluene (4 mL) was stirred in the dark in a sealed tube maintained at 120 C in an oil bath. After 17 h, the reaction mixture was cooled to room temperature. To this mixture, acetonitrile (2 mL) and iodomethane (6 mmol) were added successively and stirred in the dark in the sealed tube maintained at 120 C for additional 17 h, After the reaction was completed, the mixture was cooled to room temperature. The solvent was then evaporated in vacuo. The resulting residue was purified by flash column chromatography (ethyl acetate) to yield 1b-l.
  • 10
  • [ 1194-02-1 ]
  • [ 539-44-6 ]
  • [ 530-46-1 ]
  • 11
  • [ 20628-07-3 ]
  • [ 539-44-6 ]
  • C17H20N2O [ No CAS ]
  • 12
  • [ 6161-64-4 ]
  • [ 539-44-6 ]
  • C17H20N2O [ No CAS ]
  • 13
  • [ 2142-71-4 ]
  • [ 539-44-6 ]
  • C17H20N2 [ No CAS ]
  • 14
  • [ 38480-94-3 ]
  • [ 539-44-6 ]
  • C17H20N2O2 [ No CAS ]
  • 15
  • [ 59046-72-9 ]
  • [ 539-44-6 ]
  • 10-methyl-12-phenylindolo[2,1-a]phthalazine [ No CAS ]
YieldReaction ConditionsOperation in experiment
66% 0.2 mmol of <strong>[59046-72-9]2-(phenylethynyl)benzaldehyde</strong> and 0.4 mmol of 4-methylphenylhydrazine in a room temperature air atmosphere, and added to a reaction tube containing 1 mL of N,N-dimethylacetamide for 0.5 h. Then, 0.1 mmol of DABCO (triethylenediamine) and 1 mL of N,N-dimethylacetamide were added, and the mixture was placed in an oil bath at 100 C for 15 hours. The reaction was removed from the heat source and cooled to room temperature.The reaction mixture was extracted with water / ethyl acetate (50 mL / 50 mL)Purification by column chromatography gave 40.7 mg of the desired product.The yield was 66%.
 

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