Tetrapyrroles. IV. A highly efficient synthesis of homochiral dihydropyrromethenones via Pd○ mediated coupling of iodopyrroles and acetylenic amides

Article abstract of DOI:10.1016/S0040-4039(00)60941-3

Homochiral dihydropyrromethenones of type 20 have been synthesized in a highly efficient manner by Pd^○ mediated coupling of iodopyrrole 14 with acetylenic amides 18, followed by F- catalyzed 5-exo-dig cyclization. In analogous fashion, phytochr