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IPC 7
 
C07C-C07C00556
  C07C 6/00 - C07C 13/72  

SECTION C – CHEMISTRY; METALLURGY


C 07ORGANIC 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 CACYCLIC OR CARBOCYCLIC COMPOUNDS


Notes

(1)In this subclass, the following terms or expressions are used with the meanings indicated:

 "bridged" means the presence of at least one fusion other than ortho, peri or spiro;

 two rings are "condensed" if they share at least one ring member, i.e. "spiro" and "bridged" are considered as condensed;

 "condensed ring system" is a ring system in which all rings are condensed among themselves;

 "number of rings" in a condensed ring system equals the number of scissions necessary to convert the ring system into one acyclic chain;

 "quinones" are compounds derived from compounds containing a six-membered aromatic ring or a system comprising six-membered aromatic rings (which system may be condensed or not condensed) by replacing two or four CH groups of the six-membered aromatic rings by C=O groups, and by removing one or two carbon-to-carbon double bonds, respectively, and rearranging the remaining carbon-to-carbon double bonds to give a ring or ring system with alternating double bonds, including the carbon-to-oxygen bonds; this means that acenaphthenequinone or camphorquinone are not considered as quinones.  [5]

(2)Therapeutic activity of compounds is further classified in subclass A61P. [7]

(3)In this subclass, in the absence of an indication to the contrary, a process is classified in the last appropriate place.  [3]

(4)In this subclass, in the absence of an indication to the contrary, "quaternary ammonium compounds" are classified with the corresponding "non-quaternised nitrogen compounds".  [5]

(5)For the classification of compounds in groups C07C 1/00 to C07C 71/00 and C07C 401/00 to C07C 409/00 :

 a compound is classified considering the molecule as a whole (rule of the "whole molecule approach");

 a compound is considered to be saturated if it does not contain carbon atoms bound to each other by multiple bonds;

 a compound is considered to be unsaturated if it contains carbon atoms bound to each other by multiple bonds, which includes a six-membered aromatic ring,

 unless otherwise specified or implicitly derivable from the subdivision, as in group C07C 69/00, e.g. C07C 69/712.  [5]

(6)For the classification of compounds in groups C07C 201/00 to C07C 395/00, i.e. after the functional group has been determined according to the "last place rule", a compound is classified according to the following principles:

 compounds are classified in accordance with the nature of the carbon atom to which the functional group is attached;

 a carbon skeleton is a carbon atom, other than a carbon atom of a carboxyl group, or a chain of carbon atoms bound to each other; a carbon skeleton is considered to be terminated by every bond to an element other than carbon or to a carbon atom of a carboxyl group;

 when the molecule contains several functional groups, only functional groups linked to the same carbon skeleton as the one first determined are considered;

 a carbon skeleton is considered to be saturated if it does not contain carbon atoms bound to each other by multiple bonds;

 a carbon skeleton is considered to be unsaturated if it contains carbon atoms bound to each other by multiple bonds, which includes a six-membered aromatic ring.  [5]

(7)In this subclass, it is desirable to add the indexing codes of subclass C07M. The indexing codes should be unlinked.  [6]


Subclass Index

COMPOUNDS CONTAINING CARBON AND HYDROGEN ONLY 

Preparation 

C07C 1/00, C07C 2/00, C07C 4/00, C07C 5/00, C07C 6/00 

Purification, separation, stabilisation 

C07C 7/00 

Compounds 

aliphatic 

C07C 9/00, C07C 11/00 

cycloaliphatic, aromatic 

C07C 13/00, C07C 15/00 

COMPOUNDS CONTAINING CARBON AND HALOGENS, WITH OR WITHOUT HYDROGEN 

Preparation 

C07C 17/00 

Compounds 

aliphatic 

C07C 19/00, C07C 21/00 

cycloaliphatic, aromatic 

C07C 22/00, C07C 23/00, C07C 25/00 

COMPOUNDS CONTAINING CARBON AND OXYGEN, WITH OR WITHOUT HYDROGEN OR HALOGENS 

Preparation 

simultaneous production of more than one class of oxygen- containing compounds 

C07C 27/00 

of alcohols; of phenols 

C07C 29/00; C07C 37/00 

of ethers or acetals; of oxo compounds 

C07C 41/00; C07C 45/00 

of quinones 

C07C 46/00 

of carboxylic acids, their salts or anhydrides 

C07C 51/00 

of esters of carboxylic acids 

C07C 67/00 

of esters of carbonic or haloformic acids 

C07C 68/00 

Compounds 

with OH group(s): aliphatically bound 

C07C 31/00, C07C 33/00 

cycloaliphatically bound 

C07C 35/00 

with OH group(s) aromatically bound 

C07C 39/00 

Ethers, acetals, orthoesters; aldehydes; ketones 

C07C 43/00; C07C 47/00; C07C 49/00 

Quinones 

C07C 50/00 

carboxylic acids 

acyclic 

C07C 53/00, C07C 55/00, C07C 57/00, C07C 59/00 

cyclic 

C07C 61/00, C07C 62/00, C07C 63/00, C07C 65/00, C07C 66/00 

Esters 

C07C 69/00, C07C 71/00 

COMPOUNDS CONTAINING CARBON AND NITROGEN, WITH OR WITHOUT HYDROGEN, HALOGENS, OR OXYGEN 

Preparation 

of amines 

C07C 209/00 

of hydroxy amines, aminoethers, or aminoesters 

C07C 213/00 

of aminoaldehydes, aminoketones, aminoquinones 

C07C 221/00 

of aminocarboxylic acids 

C07C 227/00 

of amides of carboxylic acids 

C07C 231/00 

of nitriles of carboxylic acids 

C07C 253/00 

of derivatives of hydrazine 

C07C 241/00 

of compounds containing carbon- to-nitrogen double bonds, e.g. imines, hydrazones, isocyanates 

C07C 249/00, C07C 263/00 

of derivatives of carbamic acids 

C07C 269/00 

of urea or derivatives 

C07C 273/00 

of guanidines or derivatives 

C07C 277/00 

of nitro or nitroso compounds, or esters of nitric or nitrous acids 

C07C 201/00 

Compounds 

having nitrogen bound to carbon or to carbon and hydrogen 

Amines 

C07C 211/00 

Hydroxy amines; Aminoethers; Aminoesters 

C07C 215/00, C07C 217/00, C07C 219/00 

Aminoaldehydes, aminoketones, aminoquinones 

C07C 223/00, C07C 225/00 

Amino carboxylic acids 

C07C 229/00 

Amides of carboxylic acids 

C07C 233/00, C07C 235/00, C07C 237/00 

Compounds containing one or more carbon-to-nitrogen double bonds, e.g. imines 

C07C 251/00 

Nitriles of carboxylic acids 

C07C 255/00 

Amidines, imino-ethers 

C07C 257/00 

Hydroxamic acids 

C07C 259/00 

Derivatives of cyanic or isocyanic acid 

C07C 261/00, C07C 265/00 

Carbodiimides 

C07C 267/00 

Carbamic acids 

C07C 271/00 

Ureas 

C07C 275/00 

Guanidines 

C07C 279/00 

having nitrogen bound to halogens 

C07C 239/00 

having nitrogen bound to oxygen 

Nitro or nitroso compounds 

C07C 205/00, C07C 207/00 

Nitrites or nitrates 

C07C 203/00 

Hydroxylamines 

C07C 239/00 

Oximes 

C07C 251/00 

having nitrogen bound to another nitrogen 

Hydrazines, hydrazides 

C07C 243/00 

Semicarbazates, semicarbazides 

C07C 281/00 

Azo compounds, diazo compounds 

C07C 245/00 

Hydrazones, hydrazidines 

C07C 251/00, C07C 257/00 

Semicarbazones 

C07C 281/00 

N-nitro or N-nitroso compounds 

C07C 243/00 

containing chains of three nitrogen atoms bound together 

Triazenes 

C07C 245/00 

Azides 

C07C 247/00 

Other compounds containing nitrogen 

C07C 291/00 

COMPOUNDS CONTAINING CARBON, TOGETHER WITH SULFUR, SELENIUM, OR TELLURIUM, WITH OR WITHOUT HYDROGEN, HALOGENS, OXYGEN, OR NITROGEN 

Preparation 

of derivatives of sulfuric or sulfonic acids 

C07C 303/00 

of mercaptans, thiophenols, sulfides, or polysulfides 

C07C 319/00 

of sulfones or sulfoxides 

C07C 315/00 

Compounds 

having sulfur bound to oxygen 

Esters of sulfurous or sulfuric acids 

C07C 301/00, C07C 305/00 

Sulfonic acids or derivatives 

C07C 309/00 

Sulfenic or sulfinic acids or derivatives 

C07C 313/00 

Sulfones, sulfoxides 

C07C 317/00 

having sulfur bound to carbon 

Mercaptans, thiophenols, sulfides or polysulfides 

C07C 321/00, C07C 323/00 

Thioaldehydes, thioketones 

C07C 325/00 

Thiocarboxylic acids or derivatives 

C07C 327/00 

Thiocarbonic acids or derivatives 

C07C 329/00 

Thiocyanates, isothiocyanates 

C07C 331/00 

Thiocarbamic acids or derivatives 

C07C 333/00 

Thioureas 

C07C 335/00 

Thiosemicarbazides or thiosemicarbazones 

C07C 337/00 

having sulfur bound to nitrogen 

Sulfonamides 

C07C 311/00 

Sulfenamides, sulfinamides, sulfenylcarbamates or sulfenylureas 

C07C 313/00 

Amides of sulfuric acids 

C07C 307/00 

Other compounds containing sulfur 

C07C 381/00 

Compounds containing selenium 

C07C 391/00 

Compounds containing tellurium 

C07C 395/00 

IRRADIATION PRODUCTS OF CHOLESTEROL 

C07C 401/00 

DERIVATIVES OF CYCLOHEXANE OR OF A CYCLOHEXENE HAVING AN UNSATURATED SIDE-CHAIN WITH AT LEAST FOUR CARBON ATOMS 

C07C 403/00 

PROSTAGLANDINS OR DERIVATIVES 

C07C 405/00 

PEROXIDES; PEROXYACIDS 

Preparation 

C07C 407/00 

Compounds 

C07C 409/00 



Hydrocarbons (derivatives of cyclohexane or of a cyclohexene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene rings C07C 403/00; preparation of macromolecular compounds C08; production or separation from undefined hydrocarbon mixtures such as petroleum oil C10G; natural gas, synthetic natural gas, liquefied petroleum gas C10L 3/00; electrolytic or electrophoretic processes C25B)  [3]


1/

00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon

1/

02.from oxides of carbon (preparation of liquid hydrocarbon mixtures of undefined composition C10G 2/00; of synthetic natural gas C10L 3/06)  [5]

1/

04..from carbon monoxide with hydrogen

1/

06...in the presence of organic compounds, e.g. hydrocarbons

1/

08...Isosyntheses

1/

10..from carbon monoxide with water vapour

1/

12..from carbon dioxide with hydrogen

1/

20.starting from organic compounds containing only oxygen atoms as hetero atoms

1/

207..from carbonyl compounds  [5]

1/

213...by splitting of esters  [5]

1/

22..by reduction

1/

24..by elimination of water

1/

247..by splitting of cyclic ethers  [3]

1/

26.starting from organic compounds containing only halogen atoms as hetero atoms

1/

28..by ring closure

1/

30..by splitting-off the elements of hydrogen halide from a single molecule

1/

32.starting from compounds containing hetero atoms other than, or in addition to, oxygen or halogen  [3]

1/

34..reacting phosphines with aldehydes or ketones, e.g. Wittig reaction  [3]

1/

36.by splitting of esters (C07C 1/213, C07C 1/30 take precedence)  [3,5]


2/

00Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms (redistribution reactions involving splitting C07C 6/00) [3]

2/

02.by addition between unsaturated hydrocarbons  [3]

2/

04..by oligomerisation of well-defined unsaturated hydrocarbons without ring formation  [3]

2/

06...of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond  [3]

2/

08....Catalytic processes  [3]

2/

10.....with metal oxides  [3]

2/

12.....with crystalline alumino-silicates, e.g. molecular sieves  [3]

2/

14.....with inorganic acids; with salts or anhydrides of acids  [3]

2/

16......Acids of sulfur; Salts thereof; Sulfur oxides  [3]

2/

18......Acids of phosphorus; Salts thereof; Phosphorus oxides  [3]

2/

20......Acids of halogen; Salts thereof  [3]

2/

22.......Metal halides; Complexes thereof with organic compounds  [3]

2/

24.....with metals  [3]

2/

26.....with hydrides or organic compounds (C07C 2/22 takes precedence)  [3]

2/

28......with ion-exchange resins  [3]

2/

30......containing a metal-to-carbon bond; Metal hydrides  [3]

2/

32......as complexes, e.g. acetyl-acetonates  [3]

2/

34.......Metal-hydrocarbon complexes  [3]

2/

36......as phosphines, arsines, stilbines or bismuthines  [3]

2/

38...of dienes or alkynes  [3]

2/

40....of conjugated dienes  [3]

2/

42..homo- or co-oligomerisation with ring formation, not being a Diels-Alder conversion  [3]

2/

44...of conjugated dienes only  [3]

2/

46....Catalytic processes  [3]

2/

48...of only hydrocarbons containing a carbon-to-carbon triple bond  [3]

2/

50..Diels-Alder conversion  [3]

2/

52...Catalytic processes  [3]

2/

54.by addition of unsaturated hydrocarbons to saturated hydrocarbons, or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring  [3]

2/

56..Addition to acyclic hydrocarbons  [3]

2/

58...Catalytic processes  [3]

2/

60....with halides  [3]

2/

62....with acids  [3]

2/

64..Addition to a carbon atom of a six-membered aromatic ring  [3]

2/

66...Catalytic processes  [3]

2/

68....with halides  [3]

2/

70....with acids  [3]

2/

72..Addition to a non-aromatic carbon atom of hydrocarbons containing a six-membered aromatic ring  [3]

2/

74.by addition with simultaneous hydrogenation  [3]

2/

76.by condensation of hydrocarbons with partial elimination of hydrogen  [3]

2/

78..Processes with partial combustion  [3]

2/

80..Processes with the aid of electrical means  [3]

2/

82..oxidative coupling  [3]

2/

84...catalytic  [3]

2/

86.by condensation between a hydrocarbon and a non-hydrocarbon  [3]

2/

88..Growth and elimination reactions (preparation of metallo-organic compounds C07F)  [3]


4/

00Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (redistribution reactions involving splitting C07C 6/00; cracking hydrocarbon oils C10G) [3]

4/

02.by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction  [3]

4/

04..Thermal processes  [3]

4/

06..Catalytic processes  [3]

4/

08.by splitting-off an aliphatic or cycloaliphatic part from the molecule  [3]

4/

10..from acyclic hydrocarbons  [3]

4/

12..from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene  [3]

4/

14...splitting taking place at an aromatic-aliphatic bond  [3]

4/

16....Thermal processes  [3]

4/

18....Catalytic processes  [3]

4/

20....Hydrogen being formed in situ, e.g. from steam  [3]

4/

22.by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene  [3]

4/

24.by splitting polyarylsubstituted aliphatic compounds at an aliphatic-aliphatic bond, e.g. 1,4-diphenylbutane to styrene  [3]

4/

26.by splitting polyaryl compounds at a bond between uncondensed six-membered aromatic rings, e.g. biphenyl to benzene  [3]


5/

00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms

5/

02.by hydrogenation (simultaneous hydrogenation and dehydrogenation C07C 5/52)

5/

03..of non-aromatic carbon-to-carbon double bonds  [3]

5/

05...Partial hydrogenation  [3]

5/

08..of carbon-to-carbon triple bonds

5/

09...to carbon-to-carbon double bonds  [3]

5/

10..of aromatic six-membered rings

5/

11...Partial hydrogenation  [3]

5/

13..with simultaneous isomerisation  [3]

5/

22.by isomerisation (with simultaneous hydrogenation C07C 5/13; with simultaneous dehydrogenation C07C 5/373)

5/

23..Rearrangement of carbon-to-carbon unsaturated bonds  [3]

5/

25...Migration of carbon-to-carbon double bonds  [3]

5/

27..Rearrangement of carbon atoms in the hydrocarbon skeleton  [3]

5/

29...changing the number of carbon atoms in a ring while maintaining the number of rings  [3]

5/

31...changing the number of rings  [3]

5/

32.by dehydrogenation with formation of free hydrogen  [2]

5/

327..Formation of non-aromatic carbon-to-carbon double bonds only  [3]

5/

333...Catalytic processes  [3]

5/

35..Formation of carbon-to-carbon triple bonds only  [3]

5/

367..Formation of an aromatic six-membered ring from an existing six-membered ring, e.g. dehydrogenation of ethylcyclohexane to ethylbenzene  [3]

5/

373..with simultaneous isomerisation  [3]

5/

387...of cyclic compounds containing no six-membered ring to compounds containing a six-membered aromatic ring  [3]

5/

393...with cyclisation to an aromatic six-membered ring, e.g. dehydrogenation of n-hexane to benzene  [3]

5/

41....Catalytic processes  [3]

5/

42.by dehydrogenation with a hydrogen acceptor  [2]

Notes

(1)In this group:

 the catalyst is considered as forming part of the acceptor system in case of simultaneous catalyst reduction;  [3]

 compounds added for binding the reduced acceptor system are not considered as belonging to the acceptor system.  [3]

(2)The acceptor system is classified according to the supplying substances in case of in situ formation of the acceptor system or of in situ regeneration of the reduced acceptor system.  [3]

5/

44..with a halogen or a halogen-containing compound as an acceptor  [2]

5/

46..with sulfur or a sulfur-containing compound as an acceptor  [2]

5/

48..with oxygen as an acceptor  [2]

5/

50..with an organic compound as an acceptor  [2]

5/

52...with a hydrocarbon as an acceptor, e.g. hydrocarbon disproportionation, i.e. 2 CnHp CnHp+q + CnHp-q  [2]

5/

54..with an acceptor system containing at least two compounds provided for in more than one of groups C07C 5/44 to C07C 5/50  [3]

5/

56...containing only oxygen and either halogens or halogen-containing compounds  [3]

   C07C 6/00 - C07C 13/72  
 

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