2-(4-CHLOROPHENYL)-2-[3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL]ACETONITRILE synthesis

1synthesis methods

Product Name:2-(4-CHLOROPHENYL)-2-[3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL]ACETONITRILE
CAS Number:213993-80-7
Molecular formula:C14H7Cl2F3N2
Molecular Weight:331.12

2,3-Dichloro-5-(trifluoromethyl)pyridine

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140-53-4
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2-(4-CHLOROPHENYL)-2-[3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL]ACETONITRILE

213993-80-7
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Yield:213993-80-7 42%

Reaction Conditions:

Stage #1: p-chlorobenzyl cyanidewith sodium hydride in N,N-dimethyl-formamide; for 0.25 h;NaH in DMF was mixed with DMF-soln. of CN-compd. within 20 min;Stirring;
Stage #2: 2,3-dichloro-5-trifluoromethylpyridine for 0.333333 h;CF₃-compd. was added dropwise within 20 min;

References:

US6337305,2002,B1 Location in patent:Example 1