G Sanil, B Koszarna, YM Poronik,
O Vakuliuk… - Advances in …, 2022 - Elsevier
Dihydropyrrolo [3, 2-b] pyrrole (DHPP) skeleton is comprised of only two fused pyrrole rings
and yet, in non-fused form, it had to wait for discovery until 1972. The [3, 2-b]-mode of fusion …