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DIFF Subclass Not Allocatable
C07B

GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR (preparation of carboxylic acid esters by telomerisation C07C67/47; telomerisation C08F)

Introduced: September 1968

Description

Covers general laboratory methods, procedures, and apparatus used across organic chemistry synthesis and analysis that are not specific to individual compound classes or reactions. Includes reaction apparatus, separation techniques, purification methods, protective group strategies, and chemical transformation procedures applicable to diverse organic syntheses. This subclass serves as a catch-all for cross-cutting methodologies and equipment relevant to multiple organic chemistry domains, excluding specialized methods tied to particular functional groups, compound types, or reactions classified elsewhere in C07.

Title

Titles differ between systems:

IPC: GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR

CPC: GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR (preparation of carboxylic acid esters by telomerisation C07C67/47; telomerisation C08F)

Full Title

Full titles differ between systems:

IPC:

GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR

CPC:

GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR (preparation of carboxylic acid esters by telomerisation C07C67/47; telomerisation C08F)

Additional Content IPC

Glossary

Asymmetric synthesis Process that produce optically active compounds from symmetrically constituted molecules by the intermediate use of optically active reagents, but without the use of any of the methods of resolution. Functional group functional groups Group of atoms within a molecule that is responsible for certain properties of the molecule and reactions in which it takes part. Grignard reaction Grignard reactions Addition of organomagnesium compounds (Grignard reagents) to carbonyl groups or other unsaturated groups to give alcohols or ketones. Inversion The spatial rearrangement of atoms or groups of atoms in a dissymmetric molecule, giving rise to a product with a molecular configuration that is a mirror image of that of the original molecule. Racemisation Conversion, by heat or by chemical reaction of an optically active compound into an optically inactive form in which half of the optically active substance becomes its mirror image (enantiomer). This change results in a mixture of equal quantities of dextro- and levorotatory isomers, as result of which the compound does not rotate plane-polarized light to either right or left since the two opposite rotations cancel each other. Separation Means separation only for the purposes of recovering organic compounds

Limiting references

Preparation of carboxylic acid esters by telomerisation Processes for preparing macromolecular compounds, e.g. telomerisation , Fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture Production of organic compounds by electrolysis or electrophoresis ,

Of 19 combined children, 17 exist in both systems.

1 codes are CPC-only extensions, 1 exist only in IPC.

Note: 1 CPC extensions are marked as secondary classification only.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • C07B 31/00 Reduction in general since 1985 IPC+CPC Available in IPC and CPC
  • C07B 33/00 Oxidation in general since 1985 IPC+CPC Available in IPC and CPC
  • C07B 39/00 Halogenation since 1985 IPC+CPC Available in IPC and CPC
  • C07B 47/00 Formation or introduction of functional groups not provided for in groups C07B39/00 - C07B45/00 since 1985 IPC+CPC Available in IPC and CPC
  • C07B 49/00 Grignard reactions since 1985 IPC+CPC Available in IPC and CPC
  • C07B 51/00 Introduction of protecting groups or activating groups, not provided for in the preceding groups since 1985 IPC+CPC Available in IPC and CPC
  • C07B 53/00 Asymmetric syntheses since 1985 IPC+CPC Available in IPC and CPC
  • C07B 55/00 Racemisation; Complete or partial inversion since 1985 IPC+CPC Available in IPC and CPC
  • C07B 57/00 Separation of optically-active compounds since 1985 IPC+CPC Available in IPC and CPC
  • C07B 60/00 Generation of organic free radicals since 2011 IPC only IPC only

Top Applicants

Top Applicants (IPC)

Class C07,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922

Top Applicants (CPC)

Class C07,2013–2023, worldwide · Source: EPO PATSTAT

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219