Preparation of heterocyclic carbon compounds with only O, N, S, Se, or Te as ring hetero atoms

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING

Subclass:

FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE

Child Classifications

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• C12P 17/02 Oxygen as only ring hetero atoms
• C12P 17/1 Nitrogen as only ring hetero atom
• C12P 17/14 Nitrogen or oxygen as hetero atom and at least one other diverse hetero ring atom in the same ring
• C12P 17/16 containing two or more hetero rings
• C12P 17/18 containing at least two hetero rings condensed among themselves or condensed with a common carbocyclic ring system, e.g. rifamycin