C07D

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HETEROCYCLIC COMPOUNDS

Subclasses

SubclassTitle
201/00 Preparation, separation, purification, or stabilisation of unsubstituted lactams
201/02 Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of lactams
201/04 Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of lactams from or via oximes by Beckmann rearrangement
201/06 Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of lactams from or via oximes by Beckmann rearrangement from ketones by simultaneous oxime formation and rearrangement
201/08 Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones, nitriles
201/10 Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of lactams from cycloaliphatic compounds by simultaneous nitrosylation and rearrangement
201/12 Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of lactams by depolymerising polyamides
201/14 Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of salts or adducts of lactams
201/16 Preparation, separation, purification, or stabilisation of unsubstituted lactams Separation or purification
201/18 Preparation, separation, purification, or stabilisation of unsubstituted lactams Stabilisation
203/00 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom
203/02 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom Preparation by ring-closure
203/04 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
203/06 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
203/08 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom
203/10 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom Radicals substituted by singly bound oxygen atoms
203/12 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom Radicals substituted by nitrogen atoms not forming part of a nitro radical
203/14 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom with carbocyclic rings directly attached to the ring nitrogen atom
203/16 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with acylated ring nitrogen atoms
203/18 Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with acylated ring nitrogen atoms by carboxylic acids, or by sulfur or nitrogen analogues thereof

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