Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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37/00
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
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C07C37/50
by reactions decreasing the number of carbon atoms
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C07C37/56
by replacing a carboxyl or aldehyde group by a hydroxy group
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