C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C2603/00—Systems containing at least three condensed rings
C07C2603/02—Ortho- or ortho- and peri-condensed systems
C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings