C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 255/35 (2006.01) C07C 17/14 (2006.01) C07C 17/20 (2006.01) C07C 22/08 (2006.01) C07C 253/14 (2006.01)
Patent
CA 2089271
A method is provided for forming (3-trifluoromethyl-phenyl)acetonitrile through the intermediate .alpha., .alpha.. .alpha.-trifluoro-.alpha. -chlo- ro-m-xylene. This intermediate is formed by selective chlorination of .alpha., .alpha., .alpha.-trichloro-m-xylene under conditions which maxi- mize yield and minimize the formation of undesired, non-recyclable chlorinated by-products.
Denisevich Peter Jr.
Schinski William L.
Chevron Research And Technology Company
Sim & Mcburney
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