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Chemical Structure| 1781-52-8 Chemical Structure| 1781-52-8

Structure of 1781-52-8

Chemical Structure| 1781-52-8

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Product Details of [ 1781-52-8 ]

CAS No. :1781-52-8
Formula : C6H12Br2
M.W : 243.97
SMILES Code : CCCC(CBr)CBr
MDL No. :MFCD18157596

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Application In Synthesis of [ 1781-52-8 ]

* 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 [ 1781-52-8 ]

[ 1781-52-8 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 2612-28-4 ]
  • [ 1781-52-8 ]
YieldReaction ConditionsOperation in experiment
84% With sulfuric acid; hydrogen bromide; sodium carbonate; REFERENCE EXAMPLE 1 2-n-Propyl-1,3-dibromopropane To a solution of <strong>[2612-28-4]2-n-propylpropane-1,3-diol</strong> (60.0 g., 0.508 mol) in a mixture of 47% hydrobromic acid (211 g., 1.22 mol) and sulphuric acid (63.5 g., 0.65 mol) was added sulphuric acid (103 g., 1.04 mol). The reaction mixture was refluxed for 16 hours and then subjected to steam distillation. The water-insoluble layer of distillates was separated, washed with water (15 ml.) and an aqueous solution of sodium carbonate (15 ml.), dried over calcium chloride and then distilled (20 mm.Hg., 105 C.-110 C.) to give 104 g. of the title compound (84% yield) having the following physical characteristics: b.p.: 105 C.-110 C. (20 mm.Hg); NMR (CCl4): delta; 3.67-3.30 (4H, multiplet), 2.10-1.80 (1H, multiplet), 1.60-1.18 (4H, multiplet), 1.10-0.84 ppm (3H, multiplet); IR (liquid film): nu; 1460, 1255, 1240, 1210 cm-1; Mass spectrum: m/e=246 (M+ +4), 244 (M+ +2), 242 (M+), 163, 83.
 

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