Tandem transformations of tetrahydropyrrolo[3,2-c]pyridines under the action of dimethyl acetylenedicarboxylate. A novel route to pyrrolo[2,3-d] azocines

Reactions of substituted tetrahydropyrrolo[3,2-c]pyridines with dimethyl acetylene-dicarboxylate in protic and aprotic solvents were studied. A novel single-step method for the synthesis of pyrrolo[2,3-d]azocine derivatives was developed. © 2005 Springer Science+Business Media, Inc.