CPC Subgroup
C07D 243/30 Preparation including building-up the benzodiazepine skeleton from compounds already containing hetero rings
Full Title
Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms > having the nitrogen atoms in positions 1 and 4 > condensed with carbocyclic rings or ring systems > 1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines > substituted in position 5 by aryl radicals > substituted in position 2 by nitrogen, oxygen or sulfur atoms > Oxygen atoms > Preparation including building-up the benzodiazepine skeleton from compounds already containing hetero rings
3 direct subcodes
Child Classifications
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- C07D 243/32 containing a phthalimide or hydrogenated phthalimide ring system
- C07D 243/34 containing a quinazoline or hydrogenated quinazoline ring system
- C07D 243/36 containing an indole or hydrogenated indole ring system
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219