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[ CAS No. 56824-91-0 ] {[proInfo.proName]}

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Chemical Structure| 56824-91-0
Chemical Structure| 56824-91-0
Structure of 56824-91-0 * Storage: {[proInfo.prStorage]}
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Product Details of [ 56824-91-0 ]

CAS No. :56824-91-0 MDL No. :MFCD00173351
Formula : C12H9Cl2NO2 Boiling Point : -
Linear Structure Formula :- InChI Key :HINLPSGAVZPTIW-UHFFFAOYSA-N
M.W : 270.11 Pubchem ID :728974
Synonyms :

Safety of [ 56824-91-0 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 56824-91-0 ]

* 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 [ 56824-91-0 ]

[ 56824-91-0 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 347146-14-9 ]
  • [ 7486-35-3 ]
  • [ 347146-23-0 ]
  • [ 56824-91-0 ]
YieldReaction ConditionsOperation in experiment
tetrakis(triphenylphosphine) palladium(0); In toluene; Preparation Example 11 Ethyl 8-Chloro-4-vinylquinoline-3-carboxylate To a solution of 2.0 g (7.4 mmol) of ethyl 4,8-dichloroquinoline-3-carboxylate obtained in the same manner as in Preparation Example 4 in toluene (20 ml) were added tributylvinyltin (2.8 ml) and tetrakis(triphenylphosphine)palladium (171 mg), followed by stirring for 2 hours while heating under reflux. The reaction mixture was filtrated through Celite and concentrated. Then, the residue was purified by silica gel chromatography, to give 1.92 g of the title compound. 1H-NMR (DMSO-d6) delta (ppm): 1.36 (3H, t, J=7.6 Hz), 4.37 (2H, d, J=:7.6 Hz), 5.52 (1H, d, J=18.0 Hz), 5.58 (1H, d, J=16.4 Hz), 7.40 (1H, dd, J=-16.4, 18.0 Hz), 7.70 (1H, t, J=8.0 Hz), 8.11 (1H, d, J=8.0 Hz), 8.25 (1H, d, J=8.0 Hz), 9.24 (1H, s).
  • 2
  • [ 73987-37-8 ]
  • [ 56824-91-0 ]
YieldReaction ConditionsOperation in experiment
68% With trichlorophosphate at 100℃; for 0.5h; A mixture of 8-chloro-4-hydroxyquinoline-3-carboxylic acid ethyl ester (7.94 g, 31.5 mmol; see step (b) above) and POCl3 (6 mL) was stirred at 100 °C for 30 min, cooled and concentrated. The crude material was recrystallised from EtOAc. Yield 5.46 g (68 %) as white flakes. 1H-NMR (CDCl35 400 MHz) δ 9.23 (IH, s), 8.34 (IH, dd), 8.16 (IH5 dd), 7.81 (IH5 dd), 4.44 (2H5 q), 1.39 (3H51).
With trichlorophosphate
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