125902-01-4Relevant articles and documents
A General Synthetic Route to 2,2':5',2''-Terpyrrole, 2,5-Bis(2-pyrryl)thiophene, and Alkyl-Substituted Analogues
Merrill, Bryon A.,LeGoff, Eugene
, p. 2904 - 2908 (1990)
A new four-step route to 2,2':5',2''-terpyrroles (4, 13) and 2,5-bis(2-pyrryl)thiophenes (6, 14) is described.The key step involves a Stetter reaction between an electron-deficient pyrrole aldehyde and divinyl sulfone.The resulting symmetrical 1,4-diketon