Task: Text Categorization
Input (English): A variation of the Ullman condensation named for Goldberg combines aryl ones with aryl halides in the presence of copper. They are the products in the Staudinger reaction, and one reaction that creates primary ones uses potassium thalamide and hydrazone and can be worked up via the Ing-Manske procedure; this is known as the Gabriel synthesis. Putrescine and spermidine have of several of these groups, and another compound containing this functional group is responsible for the smell of fish. FTP, name these organic compounds that contain a carbon single bonded to a nitrogen.
Output (English): Science