Benzoyl chloride, 2-chloro-4-iodo- synthesis
- Product Name:Benzoyl chloride, 2-chloro-4-iodo-
- CAS Number:179942-75-7
- Molecular formula:C7H3Cl2IO
- Molecular Weight:300.91
145343-76-6
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Yield:179942-75-7 51.9 g (74%)
Reaction Conditions:
with thionyl chloride in N-methyl-acetamide;benzene;
Steps:
13.m Preparation of (hetero)aromatic compounds IV
13m ma) A suspension of 66 g of 2-chloro-4-iodo-benzoic acid (I.G.Farbenind. D.R.P. 565411 1930) in 690 ml of benzene is treated at 4° C. with 20.56 ml of thionyl chloride and 0.1 ml of dimethylformamide and the mixture is boiled at reflux under argon for 21 hrs. The reaction mixture is concentrated. Distillation of the residue at 160°/60 Pa yields 51.9 g (74%) of 2-chloro-4-iodo-benzoyl chloride as a colourless liquid.
References:
US5763450,1998,A