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[ CAS No. 2683-43-4 ] {[proInfo.proName]}

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Chemical Structure| 2683-43-4
Chemical Structure| 2683-43-4
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Product Details of [ 2683-43-4 ]

CAS No. :2683-43-4 MDL No. :MFCD00007664
Formula : C6H4Cl2N2O2 Boiling Point : -
Linear Structure Formula :- InChI Key :IZEZAMILKKYOPW-UHFFFAOYSA-N
M.W : 207.01 Pubchem ID :75893
Synonyms :

Safety of [ 2683-43-4 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P330-P362+P364-P403+P233-P501 UN#:N/A
Hazard Statements:H315-H319-H335-H302+H312+H332 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 2683-43-4 ]

* 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 [ 2683-43-4 ]

[ 2683-43-4 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 53911-68-5 ]
  • [ 2683-43-4 ]
  • C16H11Cl3N2O5 [ No CAS ]
YieldReaction ConditionsOperation in experiment
In 1,4-dioxane; at 20℃;Heating; Reflux; The solution of commercial 2,4-dichloro-6-nitroaniline (621 mg) and 3-(4- chlorophenyl)glutaric anhydride (674 mg) in 1,4-dioxane (2 ml) was heated to reflux shortly and stirred at rt for Ih. The solvent was removed by distillation and the residue dried in vacuo. The oily residue was dissolved in acetic acid (6 ml) and heated to reflux. Iron powder (1.01 g) was added and the mixture stirred under reflux for 1 h. Then cone. HCI (6 ml) was added cautiously and the green-yellow solution was refluxed for additional 2 h. All volatiles were removed at the water aspirator and the residue precipitated from acetic acid/cone. HCI solution with water. The solid was collected by suction filtration and washed well with IM HCI and water. The crude was recrystallised from acetic acid to give 4-(5,7-dichloro-2- benzimidazolyl)-3-(4-chlorophenyl)butanoic acid HCI (325 mg) as colourless crystals.1H-NMR (500 MHz, DMSOd5): delta (ppm) = 2.70 (dd, J = 16.2, 8.9 Hz, IH), 2.79 (dd, J = 16.2, 5.9 Hz, IH), 3.35 (dd, J = 14.7, 8.3 Hz, IH), 3.43 (dd, J = 14.7, 7.6 Hz, IH), 3.83 (m, IH), 7.33 (q, J = 8.6 Hz, 4H), 7.59 (d, J = 1.6 Hz, IH), 7.73 (d, J = 1.6 Hz, IH).13C-NMR and DEPT (125 MHz, DMSOd6) : delta (ppm) = 33.39 (CH2), 39.39 (CH), 39.46 (CH2), 112.58 (CH), 119.26 (C), 123.64 (CH), 128.28 (2 CH), 128.63 (C), 129.14 (2 CH), 131,1 (br, C), 131,29 (C), 134.40 (C), 141.22 (C), 154.96 (C), 172.24 (CO). MS ( + ESI): m/z = 383 (M + H).
  • 2
  • [ 53911-68-5 ]
  • [ 2683-43-4 ]
  • C17H13Cl3N2O5 [ No CAS ]
  • 3
  • [ 53911-68-5 ]
  • [ 2683-43-4 ]
  • [ 1221962-17-9 ]
YieldReaction ConditionsOperation in experiment
The solution of commercial 2,4-dichloro-6-nitroaniline (621 mg) and <strong>[53911-68-5]3-(4-chlorophenyl)glutaric anhydride</strong> (674 mg) in 1,4-dioxane (2 ml) was heated to reflux shortly and stirred at rt for 1 h. The solvent was removed by distillation and the residue dried in vacuo. The oily residue was dissolved in acetic acid (6 ml) and heated to reflux. Iron powder (1.01 g) was added and the mixture stirred under reflux for 1 h. Then conc. HCl (6 ml) was added cautiously and the green - yellow solution was refluxed for additional 2 h. All volatiles were removed at the water aspirator and the residue precipitated from acetic acid /conc. HCl solution with water. The solid was collected by suction filtration and washed well with 1M HCl and water. The crude was recrystallised from acetic acid to give 4-(5,7-dichloro-2-benzimidazolyl)-3-(4-chlorophenyl)butanoic acid?HCl (325 mg) as colourless crystals.1H-NMR (500 MHz, DMSO-d6): delta (ppm)=2.70 (dd, J=16.2, 8.9 Hz, 1H), 2.79 (dd, J=16.2, 5.9 Hz, 1H), 3.35 (dd, J=14.7, 8.3 Hz, 1H), 3.43 (dd, J=14.7, 7.6 Hz, 1H), 3.83 (m, 1H), 7.33 (q, J=8.6 Hz, 4H), 7.59 (d, J=1.6 Hz, 1H), 7.73 (d, J=1.6 Hz, 1H).13C-NMR and DEPT (125 MHz, DMSO-d6): delta (ppm)=33.39 (CH2), 39.39 (CH), 39.46 (CH2), 112.58 (CH), 119.26 (C), 123.64 (CH), 128.28 (2CH), 128.63 (C), 129.14 (2CH), 131, 1 (br, C), 131, 29 (C), 134.40 (C), 141.22 (C), 154.96 (C), 172.24 (CO).MS (+ESI): m/z=383 (M+H).
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