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Chemical Structure| 1260759-84-9 Chemical Structure| 1260759-84-9

Structure of 1260759-84-9

Chemical Structure| 1260759-84-9

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Product Details of [ 1260759-84-9 ]

CAS No. :1260759-84-9
Formula : C7H5BrClNO
M.W : 234.48
SMILES Code : O=C(C1=NC=C(Br)C=C1)CCl

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Application In Synthesis of [ 1260759-84-9 ]

* 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 [ 1260759-84-9 ]

[ 1260759-84-9 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 624-28-2 ]
  • [ 67442-07-3 ]
  • [ 1260759-84-9 ]
  • 2
  • [ 67442-07-3 ]
  • [ 223463-13-6 ]
  • [ 1260759-84-9 ]
YieldReaction ConditionsOperation in experiment
iPrMgCl*LiCl (Turbo Grignard, 1.3 mol/L in tetrahydrofuran, 25.6 mL) is added dropwise to a flask charged with a stir bar, 2-iodo-5-bromo-pyridine (9.00 g), and tetrahydrofuran (180 mL) and chilled to -30° C. The mixture is stirred in the cooling bath for 1 h. 2-Chloro-N-methoxy-N-methylacetamide (4.58 g) dissolved in tetrahydrofuran (20 mL) is added dropwise over 5 min. The mixture is stirred for 30 min and then quenched by the addition of aqueous 1 M HCl solution. The mixture is concentrated, and the aqueous residue is extracted with ethyl acetate. The combined extract is dried (MgSO4) and concentrated. The residue is chromatographed on silica gel (cyclohexane/ethyl acetate 20:1?1:1) to give the title compound. Mass spectrum (ESI+): m/z=234/236/238 (Br+Cl) [M+H]+.
PrMgCI*LiCI (Turbo Grignard, 1 .3 mol/L in tetrahydrofuran, 25.6 mL) is added dropwise to a flask charged with a stir bar, 2-iodo-5-bromopyridine (9.00 g), and tetrahydrofuran (180 mL) and chilled to -30 °C. The mixture is stirred in the cooling bath for 1 h. 2-Chloro-N-methoxy-N-methylacetamide (4.58 g) dissolved in tetrahydrofuran (20 mL) is added dropwise over 5 min. The mixture is stirred for 30 min and then quenched by the addition of aqueous 1 M HCI solution. The mixture is concentrated, and the aqueous residue is extracted with ethyl acetate. The combined extract is dried (MgSO4) and concentrated. The residue is chromatographed on silica gel (cyclohexane/ethyl acetate 20:1?1 :1 ) to give the title compound. Mass spectrum (ESI+): m/z = 234/236/238 (Br+CI) [M+H]+.
PrMgCI*LiCI (Turbo Grignard, 1 .3 mol/L in tetrahydrofuran, 25.6 mL) is added dropwise to a flask charged with a stir bar, 2-iodo-5-bromopyridine (9.00 g), and tetrahydrofuran (180 mL) and chilled to -30 C. The mixture is stirred in the cooling bath for 1 h. <strong>[67442-07-3]2-chloro-N-methoxy-N-methylacetamide</strong> (4.58 g) dissolved in tetrahydrofuran (20 mL) is added dropwise over 5 min. The mixture is stirred for 30 min and then quenched by the addition of aqueous 1 M HCI solution. The mixture is concentrated, and the aqueous residue is extracted with ethyl acetate. The combined extract is dried (MgSO4) and concentrated. The residue is chromatographed on silica gel (cyclohexane/ethyl acetate 20:11 :1 ) to give the title compound. Mass spectrum (ESI+): m/z = 234/236/238 (Br+CI) [M+H]+.
 

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