4-nitro-oxi-methyl-benzoic acid preparation procedure.
2009
Acid Preparation Procedure
4-nitro-oxy-methyl-benzoic. The present invention relates to a new
acid preparation procedure
4-nitro-oxy-methyl-benzoic,
which comprises the following stages: a) acid reaction
4-chloromethyl-benzoic with nitrate
silver and in the presence of an acid as catalyst in acetonitrile a
reflux temperature, followed by cooling and adding a
aprotic polar solvent; b) separation of silver salts by
filtration, followed by washing with an aprotic polar solvent; c) acid precipitation
4-nitro-oxy-methyl-benzoic
with water from the filtrate of step b); Y d) acid drying
4-nitro-oxy-methyl-benzoic.
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