Synthesis and properties of π-extended fluoranthene derivatives from 1,2-diarylacenaphthylene derivatives

Add time:08/29/2019    Source:sciencedirect.com

Acenaphthylene units work as a useful platform for the synthesis of polycyclic aromatic hydrocarbons (PAH). Three 1,2-diarylacenaphthylene derivatives (9-phenanthryl, 7-t-butyl-2-pyrenyl and 2-naphthyl) were prepared by Suzuki-Miyaura coupling of 1,2-dibromoacenaphthylene with the corresponding boronic acids and ester. The Scholl reaction of the phenanthryl derivative affords a donor-acceptor type fluoranthene derivative possessing a hemi-coronene structure by forming two CC bonds between phenanthryl groups. The reaction of the pyrenyl derivative allows one CC bond formation to give a helicene-type fluoranthene derivative. The reaction of the naphthyl derivative provides an asymmetric fluroranthene derivative having an anthracene unit accompanied with one CC bonding reaction, while a photochemical cyclization followed by dehydroaromatization reaction of the compound gives a symmetric fluoranthene derivative with a [5]helicene structure.

We also recommend Trading Suppliers and Manufacturers of naphtho(1,2-b)fluoranthene (cas 111189-32-3). Pls Click Website Link as below: cas 111189-32-3 suppliers

Prev:Relative tumor initiating activity of benzo[a]fluoranthene, benzo[b]fluoranthene, naphtho[1,2-b]fluoranthene and naphtho[2,1-a]fluoranthene on mouse skin
Next:Carbon monoxide–ethene alternating copolymerization catalyzed by [PdCl2(dppf)] in H2O–HCOOH [dppf = 1,1′-bis(diphenylphosphino)ferrocene])