A Schiff base, named after Hugo Schiff, is a compound with the general structure R 2 C=NR' (R' ≠ H). [1] They can be considered a sub-class of imines, being either. Reliable and Versatile Synthesis of 2-Aryl-Substituted Cinnamic Acid Esters Alen Ianni, Siegfried R. Waldvogel* *Rheinische Friedrich-Wilhelms-Universität Bonn. Many structurally diverse compounds function through activation of the aryl hydrocarbon receptor (AhR) to contribute to the development of diseases (Poland et al. Tetrahedron report number 945 Indole synthesis: a review and proposed classification Douglass F. Tabera,*, Pavan K. Tirunaharib aDepartment of Chemistry and. Sonogashira coupling; Named after: Kenkichi Sonogashira: Reaction type: Coupling reaction: Identifiers; Organic Chemistry Portal: RSC ontology ID.