C07D 213/06 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members > having three double bonds between ring members or between ring members and non-ring members > having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom > containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C07D 213/08 Preparation by ring-closure
- C07D 213/127 Preparation from compounds containing pyridine rings
- C07D 213/133 Preparation by dehydrogenation of hydrogenated pyridine compounds
- C07D 213/14 Preparation from compounds containing heterocyclic oxygen
- C07D 213/16 containing only one pyridine ring
- C07D 213/22 containing two or more pyridine rings directly linked together, e.g. bipyridyl
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 12,697
- ROCHE CH 11,347
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
- NOVARTIS CH 9,356
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
- BRISTOL-MYERS SQUIBB COMPANY US 7,320
- LG CHEM KR 7,245
- REGENERON PHARMACEUTICALS US 6,816
- HARVARD UNIVERSITY US 6,190
- GENENTECH US 5,922