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IPC 7
  C07C 61/00 - C07C 65/42  
C07C06600-C07C06996
  C07C 71/00 - C07C 205/61  

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


66/

00Quinone carboxylic acids (cyclic anhydrides C07D) [2]

66/

02.Anthraquinone carboxylic acids  [2]


67/

00Preparation of carboxylic acid esters

Note

 In this group, lactones used as reactants are considered as being esters.  [3]

67/

02.by interreacting ester groups, i.e. transesterification

67/

03.by reacting an ester group with a hydroxy group  [2]

67/

035.by reacting carboxylic acids or symmetrical anhydrides with saturated hydrocarbons  [3]

67/

04.by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds  [2]

67/

05..with oxidation  [2,3]

67/

055...in the presence of platinum group metals or their compounds  [3]

67/

08.by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds  [2]

67/

10.by reacting carboxylic acids or symmetrical anhydrides with ester groups or with a carbon-halogen bond (preparation from carboxylic acid halides C07C 67/14)  [2]

67/

11..being mineral ester groups  [3]

67/

12.from asymmetrical anhydrides  [2]

67/

14.from carboxylic acid halides  [2]

67/

16.from carboxylic acids, esters or anhydrides wherein one oxygen atom has been replaced by a sulfur, selenium or tellurium atom  [2]

67/

18.by conversion of a group containing nitrogen into an ester group  [2]

67/

20..from amides or lactams  [2]

67/

22..from nitriles  [2]

67/

24.by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran  [2]

67/

26..with an oxirane ring  [2]

67/

27.from ortho-esters  [3]

67/

28.by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group  [2]

67/

283..by hydrogenation of unsaturated carbon-to-carbon bonds  [3]

67/

287..by introduction of halogen; by substitution of halogen atoms by other halogen atoms  [3]

67/

29..by introduction of oxygen-containing functional groups  [3]

67/

293..by isomerisation; by change of size of the carbon skeleton  [3]

67/

297..by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups  [3]

67/

30.by modifying the acid moiety of the ester, such modification not being an introduction of an ester group  [2]

67/

303..by hydrogenation of unsaturated carbon-to-carbon bonds  [3]

67/

307..by introduction of halogen; by substitution of halogen atoms by other halogen atoms  [3]

67/

31..by introduction of functional groups containing oxygen only in singly bound form  [3]

67/

313..by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups  [3]

67/

317..by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups  [3]

67/

32...Decarboxylation  [2,3]

67/

327...by elimination of functional groups containing oxygen only in singly bound form  [3]

67/

333..by isomerisation; by change of size of the carbon skeleton (introduction or elimination of carboxyl groups C07C 67/313, C07C 67/32)  [3]

67/

34...Migration of groups in the molecule  [2,3]

67/

343...by increase in the number of carbon atoms  [3]

67/

347....by addition to unsaturated carbon-to-carbon bonds  [3]

67/

36.by reaction with carbon monoxide or formates (C07C 67/02, C07C 67/03, C07C 67/10 take precedence)  [2]

67/

37..by reaction of ethers with carbon monoxide  [2]

67/

38..by addition to an unsaturated carbon-to-carbon bond  [2]

67/

39.by oxidation of groups which are precursors for the acid moiety of the ester  [3]

67/

40..by oxidation of primary alcohols  [2,3]

67/

42..by oxidation of secondary alcohols or ketones  [2,3]

67/

44.by oxidation-reduction of aldehydes, e.g. Tishchenko reaction  [2]

67/

46.from ketenes or polyketenes  [2]

67/

465.by oligomerisation  [3]

67/

47.by telomerisation (macromolecular compounds C08)  [3]

67/

475.by splitting of carbon-to-carbon bonds and redistribution, e.g. disproportionation or migration of groups between different molecules  [3]

67/

48.Separation; Purification; Stabilisation; Use of additives  [2,3]

67/

52..by change in the physical state, e.g. crystallisation  [3]

67/

54...by distillation  [3]

67/

56..by solid-liquid treatment; by chemisorption  [3]

67/

58..by liquid-liquid treatment  [3]

67/

60..by treatment giving rise to chemical modification (by chemisorption C07C 67/56)  [3]

67/

62..Use of additives, e.g. for stabilisation  [3]


68/

00Preparation of esters of carbonic or haloformic acids  [2]

68/

02.from phosgene or haloformates  [2]

68/

04.from carbon dioxide or inorganic carbonates  [2]

68/

06.from organic carbonates  [2]

68/

08.Purification; Separation; Stabilisation  [2]


69/

00Esters of carboxylic acids; Esters of carbonic or haloformic acids (ortho esters, see the relevant groups, e.g. C07C 43/32)

Notes

(1)In this group, esters having a variably-specified acid moiety, i.e. covered by more than one of groups C07C 69/02, C07C 69/34, C07C 69/52, C07C 69/608, C07C 69/612, C07C 69/62, C07C 69/66, C07C 69/74, C07C 69/76, C07C 69/95, C07C 69/96, are covered by groups C07C 69/003 to C07C 69/017 according to their hydroxylic moiety.  [3]

(2)Attention is drawn to Note (4) following the title of this subclass.  [5]

69/

003.Esters of saturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom  [3]

69/

007.Esters of unsaturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom  [3]

69/

01..Vinyl esters  [3]

69/

013.Esters of alcohols having the esterified hydroxy group bound to a carbon atom of a ring other than a six-membered aromatic ring  [3]

69/

017.Esters of hydroxy compounds having the esterified hydroxy group bound to a carbon atom of a six-membered aromatic ring  [3]

69/

02.Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen

69/

025..esterified with unsaturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom  [3]

69/

03..esterified with alcohols having the esterified hydroxy group bound to a carbon atom of a ring other than a six-membered aromatic ring  [3]

69/

035..esterified with a hydroxy compound having the esterified hydroxy group bound to a carbon atom of a six-membered aromatic ring  [3]

69/

04..Formic acid esters

69/

06...of monohydroxylic compounds

69/

07....of unsaturated alcohols  [2]

69/

08...of dihydroxylic compounds

69/

10...of trihydroxylic compounds

69/

12..Acetic acid esters

69/

14...of monohydroxylic compounds

69/

145....of unsaturated alcohols  [2]

69/

15.....Vinyl acetate  [2]

69/

155.....Allyl acetate  [2]

69/

157.....containing six-membered aromatic rings  [3]

69/

16...of dihydroxylic compounds

69/

18...of trihydroxylic compounds

69/

21...of hydroxy compounds with more than three hydroxy groups (esters of sugars C07H)  [2]

69/

22..having three or more carbon atoms in the acid moiety

69/

24...esterified with monohydroxylic compounds

69/

26....Synthetic waxes

69/

28...esterified with dihydroxylic compounds

69/

30...esterified with trihydroxylic compounds (fats, oils C11B, C11C)

69/

33...esterified with hydroxy compounds having more than three hydroxy groups (esters of sugars C07H)  [2]

69/

34.Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom  [3]

69/

347..esterified with unsaturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom  [3]

69/

353..esterified with a hydroxy compound having the esterified hydroxy group bound to a carbon atom of a six-membered aromatic ring  [3]

69/

36..Oxalic acid esters  [3]

69/

38..Malonic acid esters  [3]

69/

40..Succinic acid esters  [3]

69/

42..Glutaric acid esters  [3]

69/

44..Adipic acid esters  [3]

69/

46..Pimelic acid esters  [3]

69/

48..Azelaic acid esters  [3]

69/

50..Sebacic acid esters  [3]

69/

52.Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom  [3]

69/

527..of unsaturated hydroxy compounds  [3]

69/

533..Monocarboxylic acid esters having only one carbon-to-carbon double bond  [3]

69/

54...Acrylic acid esters; Methacrylic acid esters  [3]

69/

56...Crotonic acid esters; Vinyl acetic acid esters  [3]

69/

58...Esters of straight chain acids with eighteen carbon atoms in the acid moiety  [3]

69/

587..Monocarboxylic acid esters having at least two carbon-to-carbon double bonds  [3]

69/

593..Dicarboxylic acid esters having only one carbon-to-carbon double bond  [3]

69/

60...Maleic acid esters; Fumaric acid esters  [3]

69/

602..Dicarboxylic acid esters having at least two carbon-to-carbon double bonds  [3]

69/

604..Polycarboxylic acid esters, the acid moiety containing more than two carboxyl groups  [3]

69/

606..having only carbon-to-carbon triple bonds as unsaturation in the carboxylic acid moiety  [3]

69/

608.Esters of carboxylic acids having a carboxyl group bound to an acyclic carbon atom and having a ring other than a six-membered aromatic ring in the acid moiety  [3]

69/

612.Esters of carboxylic acids having a carboxyl group bound to an acyclic carbon atom and having a six-membered aromatic ring in the acid moiety  [3]

69/

614..of phenylacetic acid  [3]

69/

616..polycyclic  [3]

69/

618..having unsaturation outside the six-membered aromatic ring  [3]

69/

62.Halogen-containing esters (haloformic acid esters C07C 69/96)  [2]

69/

63..of saturated acids  [2]

69/

635...containing rings in the acid moiety  [3]

69/

65..of unsaturated acids  [2]

69/

653...Acrylic acid esters; Methacrylic acid esters; Haloacrylic acid esters; Halomethacrylic acid esters  [3]

69/

657...Maleic acid esters; Fumaric acid esters; Halomaleic acid esters; Halofumaric acid esters  [3]

69/

66.Esters of carboxylic acids having esterified carboxyl groups bound to acyclic carbon atoms and having any of the groups OH, O-metal, –CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety

69/

67..of saturated acids  [2]

69/

675...of saturated hydroxy-carboxylic acids  [3]

69/

68....Lactic acid esters  [3]

69/

70....Tartaric acid esters  [3]

69/

704....Citric acid esters  [3]

69/

708...Ethers  [3]

69/

712....the hydroxy group of the ester being etherified with a hydroxy compound having the hydroxy group bound to a carbon atom of a six-membered aromatic ring  [3]

69/

716...Esters of keto-carboxylic acids  [3]

69/

72....Acetoacetic acid esters  [3]

69/

73..of unsaturated acids  [2]

69/

732...of unsaturated hydroxy carboxylic acids  [3]

69/

734...Ethers  [3]

69/

736....the hydroxy group of the ester being etherified with a hydroxy compound having the hydroxy group bound to a carbon atom of a six-membered aromatic ring  [3]

69/

738...Esters of keto-carboxylic acids  [3]

69/

74.Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring

69/

743..of acids with a three-membered ring and with unsaturation outside the ring  [3]

69/

747...Chrysanthemumic acid esters  [3]

69/

75..of acids with a six-membered ring  [3]

69/

753..of polycyclic acids  [3]

69/

757..having any of the groups OH, O-metal, –CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety  [3]

69/

76.Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a six-membered aromatic ring

69/

767..esterified with unsaturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom  [3]

69/

773..esterified with a hydroxy compound having the esterified hydroxy group bound to a carbon atom of a six-membered aromatic ring  [3]

69/

78..Benzoic acid esters

69/

80..Phthalic acid esters  [2]

69/

82...Terephthalic acid esters

69/

83...of unsaturated alcohols  [2]

69/

84..of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring

69/

86...with esterified hydroxyl groups

69/

88...with esterified carboxyl groups

69/

90...with esterified hydroxyl and carboxyl groups

69/

92...with etherified hydroxyl groups  [2]

69/

94..of polycyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of six-membered aromatic rings  [2]

69/

95.Esters of quinone carboxylic acids  [2]

69/

96.Esters of carbonic or haloformic acids  [2]

  C07C 61/00 - C07C 65/42    C07C 71/00 - C07C 205/61  
 

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