IPC 7 English version C07C 273/00-C07C 281/20

IPC ⁷ English version

C07C 257/00 - C07C 271/68

C07C27300-C07C28120

C07C 291/00 - C07C 309/89

SECTION C – CHEMISTRY; METALLURGY

C 07

ORGANIC CHEMISTRY (such compounds as the oxides, sulfides, or oxysulfides of carbon, cyanogen, phosgene, hydrocyanic acid or salts thereof C01; products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds C01B 33/44; macromolecular compounds C08; dyes C09; fermentation products C12; fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture C12P; production of organic compounds by electrolysis or electrophoresis C25B 3/00, C25B 7/00) [2]

C 07 C

ACYCLIC OR CARBOCYCLIC COMPOUNDS

273/

Preparation of urea or its derivatives, i.e. compounds containing any of the groups or the nitrogen atoms not being part of nitro or nitroso groups [5]

273/

of urea, its salts, complexes or addition compounds [5]

273/

from carbon dioxide and ammonia [5]

273/

from cyanamide or calcium cyanamide [5]

273/

from ammoniacal liquor [5]

273/

combined with the synthesis of ammonia [5]

273/

combined with the synthesis of melamine [5]

273/

Separation; Purification; Stabilisation; Use of additives [5]

273/

Separation; Purification [5]

273/

of substituted ureas [5]

275/

Derivatives of urea, i.e. compounds containing any of the groups or the nitrogen atoms not being part of nitro or nitroso groups [5]

275/

Salts; Complexes; Addition compounds [5]

275/

having nitrogen atoms of urea groups bound to acyclic carbon atoms [5]

275/

of an acyclic and saturated carbon skeleton [5]

275/

being further substituted by halogen atoms, or by nitro or nitroso groups [5]

275/

being further substituted by singly-bound oxygen atoms [5]

275/

being further substituted by doubly-bound oxygen atoms [5]

275/

being further substituted by nitrogen atoms not being part of nitro or nitroso groups [5]

275/

being further substituted by carboxyl groups [5]

275/

of a saturated carbon skeleton containing rings [5]

275/

of an unsaturated carbon skeleton [5]

275/

containing rings other than six-membered aromatic rings [5]

275/

containing six-membered aromatic rings [5]

275/

having nitrogen atoms of urea groups bound to carbon atoms of rings other than six-membered aromatic rings [5]

275/

having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton [5]

275/

being further substituted by halogen atoms, or by nitro or nitroso groups [5]

275/

being further substituted by singly-bound oxygen atoms [5]

275/

having nitrogen atoms of urea groups and singly-bound oxygen atoms bound to carbon atoms of the same non-condensed six-membered aromatic ring [5]

275/

with at least one of the oxygen atoms further bound to a carbon atom of a six-membered aromatic ring, e.g. N-aryloxyphenylureas [5]

275/

being further substituted by doubly-bound oxygen atoms [5]

275/

being further substituted by nitrogen atoms not being part of nitro or nitroso groups [5]

275/

being further substituted by carboxyl groups [5]

275/

having nitrogen atoms of urea groups doubly-bound to carbon atoms [5]

275/

containing any of the groups

or X being a hetero atom, Y being any atom, e.g. acylureas [5]

275/

Y being a hydrogen or a carbon atom [5]

275/

Y being a hydrogen or an acyclic carbon atom [5]

275/

Y being a carbon atom of a ring other than a six-membered aromatic ring [5]

275/

Y being a carbon atom of a six-membered aromatic ring, e.g. benzoylureas [5]

275/

X being a nitrogen atom [5]

275/

Y being a hetero atom [5]

275/

Y being an oxygen atom, e.g. allophanic acids [5]

275/

Y being a nitrogen atom, e.g. biuret [5]

275/

having nitrogen atoms of urea groups singly-bound to oxygen atoms [5]

275/

having nitrogen atoms of urea groups bound to halogen atoms or to nitro or nitroso groups [5]

275/

N-nitroso ureas [5]

275/

Compounds containing any of the groups

or e.g. isoureas [5]

277/

Preparation of guanidine or its derivatives, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups [5]

277/

of guanidine from cyanamide, calcium cyanamide or dicyandiamides [5]

277/

of guanidine from ammonium thiocyanate [5]

277/

Purification or separation of guanidine [5]

277/

of substituted guanidines [5]

279/

Derivatives of guanidine, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups [5]

279/

Guanidine; Salts, complexes or addition compounds thereof [5]

279/

having nitrogen atoms of guanidine groups bound to acyclic carbon atoms of a carbon skeleton [5]

279/

being further substituted by halogen atoms, or by nitro or nitroso groups [5]

279/

being further substituted by singly-bound oxygen atoms [5]

279/

being further substituted by doubly-bound oxygen atoms [5]

279/

being further substituted by nitrogen atoms not being part of nitro or nitroso groups [5]

279/

being further substituted by carboxyl groups [5]

279/

having nitrogen atoms of guanidine groups bound to carbon atoms of rings other than six-membered aromatic rings [5]

279/

having nitrogen atoms of guanidine groups bound to carbon atoms of six-membered aromatic rings [5]

279/

containing any of the groups

X being a hetero atom, Y being any atom, e.g. acylguanidines [5]

279/

Y being a hydrogen or a carbon atom, e.g. benzoylguanidines [5]

279/

Y being a hetero atom [5]

279/

X and Y being nitrogen atoms, i.e. biguanides [5]

279/

having nitrogen atoms of guanidine groups bound to cyano groups, e.g. cyanoguanidines, dicyandiamides [5]

279/

having nitrogen atoms of guanidine groups bound to nitro or nitroso groups [5]

279/

N-nitroguanidines [5]

279/

N-nitroguanidine [5]

279/

Substituted N-nitroguanidines [5]

281/

Derivatives of carbonic acid containing functional groups covered by groups C07C 269/00 to C07C 279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group [5]

281/

Compounds containing any of the groups

e.g. carbazates [5]

281/

the other nitrogen atom being further doubly-bound to a carbon atom [5]

281/

Compounds containing any of the groups

e.g. semicarbazides [5]

281/

the other nitrogen atom being further doubly-bound to a carbon atom, e.g. semicarbazones [5]

281/

the carbon atom being further bound to an acyclic carbon atom or to a carbon atom of a ring other than a six-membered aromatic ring [5]

281/

the carbon atom being part of a ring other than a six-membered aromatic ring [5]

281/

the carbon atom being further bound to a carbon atom of a six-membered aromatic ring [5]

281/

Compounds containing any of the groups

e.g. aminoguanidine [5]

281/

the other nitrogen atom being further doubly-bound to a carbon atom, e.g. guanylhydrazones [5]

281/

the two nitrogen atoms of the functional groups being doubly-bound to each other, e.g. azoformamide [5]

C07C 257/00 - C07C 271/68

C07C 291/00 - C07C 309/89