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IPC Subgroup
C07D 451/06

Oxygen atoms

Introduced: July 1974

Last revised: January 2006

Full Title

Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof > containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0] nonane ring systems, e.g. tropane; Cyclic acetals thereof > with hetero atoms directly attached in position 3 of the 8-azabicyclo [3.2.1] octane or in position 7 of the 3-oxa-9-azatricyclo [3.3.1.0] nonane ring system > Oxygen atoms

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
HETEROCYCLIC COMPOUNDS

3 direct subcodes

Child Classifications

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  • C07D 451/08 Diarylmethoxy radicals
  • C07D 451/1 acylated by aliphatic or araliphatic carboxylic acids, e.g. atropine, scopolamine
  • C07D 451/12 acylated by aromatic or heteroaromatic carboxylic acids, e.g. cocaine

Top Applicants

Top 10 applicants by patent filingsfor 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