ClassID:

112446

C12P17/184 - CPC Classification

Classification description:

Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms containing at least two hetero rings condensed among themselves or condensed with a common carbocyclic ring system, e.g. rifamycin; Heterocyclic compounds containing nitrogen atoms as the only ring heteroatoms in the condensed system containing a beta-lactam ring, e.g. thienamycin

Recent Application in this class: