Preparation of carboxylic acid nitriles (of cyanogen or compounds thereof C01C3/00)

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• C07C 253/02 by reaction of nitrogen oxide with organic compounds
• C07C 253/04 by reaction of cyanogen halides, e.g. ClCN, with organic compounds
• C07C 253/06 from N-formylated amino compounds
• C07C 253/08 by addition of hydrogen cyanide or salts thereof to unsaturated compounds
• C07C 253/14 by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
• C07C 253/16 by reaction of cyanides with lactones or compounds containing hydroxy groups or etherified or esterified hydroxy groups
• C07C 253/18 by reaction of ammonia or amines with compounds containing carbon-to-carbon multiple bonds other than in six-membered aromatic rings
• C07C 253/20 by dehydration of carboxylic acid amides
• C07C 253/22 by reaction of ammonia with carboxylic acids with replacement of carboxyl groups by cyano groups
• C07C 253/24 by ammoxidation of hydrocarbons or substituted hydrocarbons
• C07C 253/30 by reactions not involving the formation of cyano groups
• C07C 253/32 Separation; Purification; Stabilisation; Use of additives