The research group of prof. Daniel Gryko published the procedure in Organic Syntheses

The research group of prof. Daniel Gryko published the procedure in Organic Syntheses. This procedure describes the preparation of tetraaryl- and hexaaryl-1,4-dihydropyrrolo[3,2-b]pyrroles. This is first procedure originating from Poland published in Organic Syntheses since 1976.

More info: http://orgsyn.org/demo.aspx?prep=v98p0242