(1-Chloro-1-methylethyl)benzene → Alpha-Methylstyrene

HRID 620974Notes

Reaction equation

HRID 620974 reaction equation
[C:1](Cl)([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)([CH3:3])[CH3:2]>O>[CH3:3][C:1]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)=[CH2:2]

Participants

3

Reactant 1

HCID 70281(1-Chloro-1-methylethyl)benzene

Product 1

HCID 7407Alpha-MethylstyreneYield 86.9%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
110 °C

Procedure

In a flask fitted with a strirrer 500 ml of water is heated to 110° C., and 250 g of cumyl chloride is added dropwise over a period of 6 h. Continuous distillation is carried out through the column described in Example 1, yielding 166 g of alpha-methylstyrene and 190 ml of water.

Workup

  1. distillationContinuous distillation

Sources & evidence

ORD record
ord-3789fe33162940cb99f153bb926efa06
Source dataset
uspto-grants-1989_04
Patent number
US04822946

Reaction notes

Loading…