PROCESS FOR PREPARATION OF PYRIMIDINYLACETONITRILE DERIVATIVES AND INTERMEDIATES FOR SYNTHESIS THEREOF
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United States of America Patent
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Issued Date -
Jul 12, 2012
app pub date -
Aug 23, 2010
filing date -
Aug 31, 2009
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Abandoned
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Abstract
Provided is a process by which pyrimidinylacetonitrile derivatives can be prepared easily and efficiently from industrially available raw materials. Also provided are intermediates for the synthesis of the derivatives. A process for the preparation of pyrimidinylacetonitrile derivatives represented by general formula (3) [wherein X is a halogen atom, and R is an alkoxymethyl group], characterized by reacting a 2,4-dihalogeno-6-nitrobenzene derivative represented by general formula (1) [wherein X and R are each as defined above] with 4,6-dimethoxy-2-cyanomethylpyrimidine represented by general formula (2) [wherein Me represents a methyl group] in the presence of a base; and intermediates for the synthesis of the pyrimidinylacetonitrile derivatives.
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