C07C275/48 - CPC Classification

Derivatives of urea, i.e. compounds containing any of the groups , the nitrogen atoms not being part of nitro or nitroso groups containing any of the groups , X being a hetero atom, Y being any atom, e.g. acylureas Y being a hydrogen or a carbon atom

• C07C275/50 » Y being a hydrogen or an acyclic carbon atom 35
• C07C275/52 » Y being a carbon atom of a ring other than a six-membered aromatic ring 3
• C07C275/54 » Y being a carbon atom of a six-membered aromatic ring, e.g. benzoylureas 28
• C07C275/56 » X being a nitrogen atom 0