Within the Curtius rearrangement, an acyl azide is heated and rearranges to an isocyanate, dropping N2 in the process. If an Liquor is added we get a carbamate, that's the more usual software of this response. A really fascinating frontier of organic and natural chemistry is in having carboxylic acids https://insuranceclaimsassistance77631.blogscribble.com/33044477/thc-no-further-a-mystery