Preparation of derivatives of isocyanic acid

Child Classifications

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• C07C 263/02 by reaction of halides with isocyanic acid or its derivatives since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/04 from or via carbamates or carbamoyl halides since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/06 from or via ureas since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/08 from or via heterocyclic compounds, e.g. pyrolysis of furoxans since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/10 by reaction of amines with carbonyl halides, e.g. with phosgene since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/12 from or via nitrogen analogues of carboxylic acids, e.g. from hydroxamic acids, involving a Hofmann, Curtius or Lossen-type rearrangement (C07C209/56 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/14 by catalytic reaction of nitro compounds with carbon monoxide since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/16 by reactions not involving the formation of isocyanate groups since 1990 IPC+CPC Available in IPC and CPC
• C07C 263/18 Separation; Purification; Stabilisation; Use of additives since 1990 IPC+CPC Available in IPC and CPC