C07C311/54 - CPC Classification

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; Compounds containing any of the groups , X being a hetero atom, Y being any atom; Y being a hetero atom either X or Y, but not both, being nitrogen atoms, e.g. N-sulfonylurea

• C07C311/55 » having sulfur atoms of the sulfonylurea groups bound to acyclic carbon atoms 16
• C07C311/56 » having sulfur atoms of the sulfonylurea groups bound to carbon atoms of rings other than six-membered aromatic rings 5
• C07C311/57 » having sulfur atoms of the sulfonylurea groups bound to carbon atoms of six-membered aromatic rings 1
• C07C311/63 » N-sulfonylisoureas 2

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