ApplicationNo. 590996 filed on 06/27/1975
US Classes:548/530, Having -C(=X)-, wherein X is chalcogen, bonded directly to the five membered hetero ring (e.g., pyrrole carbonyl halides, pyrrole carboxaldehyde, etc.)514/916, PYRETIC548/539, Carbocyclic ring bonded directly to the -C(=X)- (e.g., 3-benzoyl pyrrolidine, etc.)548/540, Acyclic carbon bonded directly to the -C(=X)- (e.g., N-oleoylpyrrolidine, etc.)548/561Nitrogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding
ExaminersPrimary: Daus, Donald G.
Assistant: Vaughn, Mary C.
Attorney, Agent or Firm
AbstractA process for rearranging -acyl pyrroles to ଲ-acyl pyrroles which comprises reacting the former with an excess of a strong, anhydrous, non-oxidizing acid, preferably with heating.