GADEKAR, SANTOSH C.; REDDY, BADDIGAM K.; PANCHAL, SANTOSH P.; ANAND, V. G.
(Royal Society of Chemistry, 2016-03)
Benzofused dipyrrins react with metal salt copper(II) acetate to predominantly yield a cyclodimer along with a cyclotrimer. N-confused monobenzo-dipyrrin cyclomerized to trioxo-expanded norrole 13a and an acyclic dimer 14 ...