Owner MERCK PATENT GMBH

Inventors Cezanne, Bertram; Barnes, Christopher; Tsaklakidis, Christos; Mederski, Werner; Juraszyk, Horst; Gleitz, Johannes; Dorsch, Dieter

Agent Davies Collison Cave

Pub. Number AU-A-2002250878

PCT Pub. Number WO2002/070471

Priority 101 10 325.5 03.03.01 DE

Filing date 4 February 2002

Wipo publication date 19 September 2002

C07C 317/22 Sulfones

C07D 207/27 Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07D 213/64 Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members

C07D 265/28 Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms

C07D 233/36 Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings

C07C 257/18 Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines

C07C 237/42 Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups

C07D 271/06 Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms

C07D 413/12 Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms

C07C 255/60 Carboxylic acid nitriles

C07C 275/34 Derivatives of urea, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups

C07D 211/76 Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings