94196 ⎘
Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom; Preparation by ring-closure involving the use of ammonia, amines, amine salts, or nitriles
Sub-classes:Zeolite catalyst
#2Process and catalyst for the production of pyridine and alkyl derivatives thereof
#3Process and catalyst for the production of pyridine and alkyl derivatives thereof
#4Process for the synthesis of diaminopyridines from glutaronitriles