Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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201/00
Preparation, separation, purification or stabilisation of unsubstituted lactams
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C07D201/02
Preparation of lactams
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C07D201/08
from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
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