Robuta

https://pure.hud.ac.uk/en/publications/2246-tetraaryl-2h-benzohchromenes-the-influence-of-electronic-com/ 2,2,4,6-Tetraaryl-2H-benzo[h]chromenes: The influence of electronic communication between aryl... the influence electronic communication benzo chromenes aryl https://researchportal.ip-paris.fr/fr/publications/palladium-catalyzed-coupling-of-3-halo-substituted-coumarins-chro/ Palladium-catalyzed coupling of 3-halo-substituted coumarins, chromenes, and quinolones with... palladium catalyzed coupling halo substituted