ClassID:

93454

C07C311/40 - CPC Classification

Classification description:

Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups; Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups having the sulfur atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring having sulfur atoms of sulfonamide groups and amino groups bound to carbon atoms of six-membered rings of the same carbon skeleton having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom to an acyclic carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms

Recent Application in this class: