Sulfuric Acid → 3-(4-Cyclohexylphenyl)-2-methylpropyl chloride

HRID 1413417Notes

Reaction equation

HRID 1413417 reaction equation
[CH:1]1[CH2:6][CH2:5][CH2:4][CH2:3][CH:2]=1.[CH3:7][CH:8]([CH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)[CH2:9][Cl:10].S(=O)(=O)(O)O>C(Cl)(Cl)Cl>[CH:1]1([C:15]2[CH:16]=[CH:17][C:12]([CH2:11][CH:8]([CH3:7])[CH2:9][Cl:10])=[CH:13][CH:14]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1

Participants

5

Reactant 3

HCID 1118Sulfuric AcidHCID 8079CyclohexeneHCID 13510156(3-Chloro-2-methylpropyl)benzene

Product 1

HCID 205415753-(4-Cyclohexylphenyl)-2-methylpropyl chlorideYield 70%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent

Procedure

33 parts by weight of cyclohexene are added dropwise to a mixture of 67 parts by weight of 2-methyl-3-phenylpropyl chloride and 40 parts by weight of 96% strength sulfuric acid at 10° C. Stirring is continued for 14 hours at room temperature. The crude product is dissolved in CHCl3 and the solution is thoroughly washed with ice water, dried over Na2CO3 and distilled. 70 parts by weight of 3-(4-cyclohexylphenyl)-2-methylpropyl chloride are obtained; boiling point 130°-2° C./0.1 mm Hg, yield 70% (based on 2-meythyl-3-phenylpropyl chloride).

Workup

  1. washthe solution is thoroughly washed with ice water
  2. dry with materialdried over Na2CO3
  3. distillationdistilled

Sources & evidence

ORD record
ord-c82c01442bbe418688e8951e8211c100
Source dataset
uspto-grants-1981_02
Patent number
US04250123

Reaction notes

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