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| 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 |
50/ | 00 | Quinones (for quinone methides, see unsaturated ketones with a keto group being part of a ring) [3] |
| Note |
| In this group, quinhydrones are classified according to their quinoid part. [3] |
50/ | 02 | . | with monocyclic quinoid structure [3] |
50/ | 04 | . | . | Benzoquinones, i.e. C6H4O2 [3] |
50/ | 06 | . | . | with unsaturation outside the quinoid structure [3] |
50/ | 08 | . | with polycyclic non-condensed quinoid structure [3] |
50/ | 10 | . | the quinoid structure being part of a condensed ring system containing two rings [3] |
50/ | 12 | . | . | Naphthoquinones, i.e. C10H6O2 [3] |
50/ | 14 | . | . | with unsaturation outside the ring system, e.g. vitamin K1 [3] |
50/ | 16 | . | the quinoid structure being part of a condensed ring system containing three rings [3] |
50/ | 18 | . | . | Anthraquinones, i.e. C14H8O2 [3] |
50/ | 20 | . | . | with unsaturation outside the ring system [3] |
50/ | 22 | . | the quinoid structure being part of a condensed ring system containing four or more rings [3] |
50/ | 24 | . | containing halogen [3] |
50/ | 26 | . | containing groups having oxygen atoms singly bound to carbon atoms [3] |
50/ | 28 | . | . | with monocyclic quinoid structure [3] |
50/ | 30 | . | . | with polycyclic non-condensed quinoid structure [3] |
50/ | 32 | . | . | the quinoid structure being part of a condensed ring system having two rings [3] |
50/ | 34 | . | . | the quinoid structure being part of a condensed ring system having three rings [3] |
50/ | 36 | . | . | the quinoid structure being part of a condensed ring system having four or more rings [3] |
50/ | 38 | . | containing CHO or non-quinoid keto groups [3] |
51/ | 00 | Preparation of carboxylic acids or their salts, halides, or anhydrides (of acids by hydrolysis of oils, fats, or waxes C11C) [2] |
51/ | 02 | . | from salts of carboxylic acids |
51/ | 04 | . | from carboxylic acid halides |
51/ | 06 | . | from carboxylic acid amides |
51/ | 08 | . | from nitriles |
51/ | 083 | . | from carboxylic acid anhydrides [3] |
51/ | 087 | . | . | by hydrolysis [3] |
51/ | 09 | . | from carboxylic acid esters or lactones (saponification of carboxylic acid esters C07C 27/02) |
51/ | 093 | . | by hydrolysis of CX3 groups, X being halogen [3] |
51/ | 097 | . | from or via nitro-substituted organic compounds [3] |
51/ | 10 | . | by reaction with carbon monoxide |
51/ | 12 | . | . | on an oxygen-containing group in organic compounds, e.g. alcohols |
51/ | 14 | . | . | on a carbon-to-carbon unsaturated bond in organic compounds [3] |
51/ | 145 | . | . | with simultaneous oxidation [3] |
51/ | 15 | . | by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis [2] |
51/ | 16 | . | by oxidation (C07C 51/145 takes precedence) [3] |
51/ | 21 | . | . | with molecular oxygen [3] |
51/ | 215 | . | . | . | of saturated hydrocarbyl groups [3] |
51/ | 225 | . | . | . | . | of paraffin waxes [3] |
51/ | 23 | . | . | . | of oxygen-containing groups to carboxyl groups [3] |
51/ | 235 | . | . | . | . | of CHO groups or primary alcohol groups [3] |
51/ | 245 | . | . | . | . | of keto groups or secondary alcohol groups [3] |
51/ | 25 | . | . | . | of unsaturated compounds containing no six-membered aromatic ring [3] |
51/ | 255 | . | . | . | of compounds containing six-membered aromatic rings without ring-splitting [3] |
51/ | 265 | . | . | . | . | having alkyl side chains which are oxidised to carboxyl groups [3] |
51/ | 27 | . | . | with oxides of nitrogen or nitrogen-containing mineral acids [3] |
51/ | 275 | . | . | . | of hydrocarbyl groups [3] |
51/ | 285 | . | . | with peroxy-compounds [3] |
51/ | 29 | . | . | with halogen-containing compounds which may be formed in situ [3] |
51/ | 295 | . | . | with inorganic bases, e.g. by alkali fusion [3] |
51/ | 305 | . | . | with sulfur or sulfur-containing compounds [3] |
51/ | 31 | . | . | of cyclic compounds with ring-splitting [3] |
51/ | 34 | . | by oxidation with ozone; by hydrolysis of ozonides [3] |
51/ | 347 | . | by reactions not involving formation of carboxyl groups [3] |
51/ | 353 | . | . | by isomerisation; by change of size of the carbon skeleton [3] |
51/ | 36 | . | . | by hydrogenation of carbon-to-carbon unsaturated bonds [3] |
51/ | 363 | . | . | by introduction of halogen; by substitution of halogen atoms by other halogen atoms [3] |
51/ | 367 | . | . | by introduction of functional groups containing oxygen only in singly bound form [3] |
51/ | 373 | . | . | by introduction of functional groups containing oxygen only in doubly bound form [3] |
51/ | 377 | . | . | by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups [3] |
51/ | 38 | . | . | . | by decarboxylation [3] |
51/ | 41 | . | Preparation of salts of carboxylic acids by conversion of the acids or their salts into salts with the same carboxylic acid part (preparation of soap C11D) [3] |
51/ | 42 | . | Separation; Purification; Stabilisation; Use of additives [3] |
51/ | 43 | . | . | by change of the physical state, e.g. crystallisation [3] |
51/ | 44 | . | . | . | by distillation [3] |
51/ | 46 | . | . | . | . | by azeotropic distillation [3] |
51/ | 47 | . | . | by solid-liquid treatment; by chemisorption [3] |
51/ | 48 | . | . | by liquid-liquid treatment |
51/ | 487 | . | . | by treatment giving rise to chemical modification (by chemisorption C07C 51/47) [3] |
51/ | 493 | . | . | . | whereby carboxylic acid esters are formed [3] |
51/ | 50 | . | . | Use of additives, e.g. for stabilisation [3] |
51/ | 54 | . | Preparation of carboxylic acid anhydrides (by oxidation C07C 51/16) |
51/ | 56 | . | . | from organic acids, their salts, or their esters |
51/ | 567 | . | . | by reactions not involving the carboxylic acid anhydride group [3] |
51/ | 573 | . | . | Separation; Purification; Stabilisation; Use of additives [3] |
51/ | 58 | . | Preparation of carboxylic acid halides |
51/ | 60 | . | . | by conversion of carboxylic acids or their anhydrides into halides with the same carboxylic acid part [3] |
51/ | 62 | . | . | by reactions not involving the carboxylic acid halide group [3] |
51/ | 64 | . | . | Separation; Purification; Stabilisation; Use of additives [3] |
53/ | 00 | Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen |
53/ | 02 | . | Formic acid |
53/ | 04 | . | . | Preparation from carbon monoxide |
53/ | 06 | . | . | Salts thereof |
53/ | 08 | . | Acetic acid (pyroligneous acid C10C; preparation of vinegar C12J) |
53/ | 10 | . | . | Salts thereof |
53/ | 12 | . | Acetic anhydride (ketene C07C 49/90) |
53/ | 122 | . | Propionic acid [3] |
53/ | 124 | . | Acids containing four carbon atoms [3] |
53/ | 126 | . | Acids containing more than four carbon atoms [3] |
53/ | 128 | . | . | the carboxyl group being bound to a carbon atom bound to at least two other carbon atoms, e.g. neo-acids [3] |
53/ | 132 | . | containing rings [3] |
53/ | 134 | . | . | monocyclic [3] |
53/ | 136 | . | . | containing condensed ring systems [3] |
53/ | 138 | . | . | . | containing an adamantane ring system [3] |
53/ | 15 | . | containing halogen [3] |
53/ | 16 | . | . | Halogenated acetic acids [3] |
53/ | 18 | . | . | . | containing fluorine [3] |
53/ | 19 | . | . | Acids containing three or more carbon atoms [3] |
53/ | 21 | . | . | . | containing fluorine [3] |
53/ | 23 | . | . | containing rings [3] |
53/ | 38 | . | Acyl halides [3] |
53/ | 40 | . | . | Acetyl halides [3] |
53/ | 42 | . | . | of acids containing three or more carbon atoms [3] |
53/ | 44 | . | . | containing rings [3] |
53/ | 46 | . | . | containing halogen outside the carbonyl halide group [3] |
53/ | 48 | . | . | . | Halogenated acetyl halides [3] |
53/ | 50 | . | . | . | of acids containing three or more carbon atoms [3] |
| | C07C 55/00 - C07C 59/92 |