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Published on: April 19, 2019
Photoaddition reactions of acetylene and butadiyne derivatives to benzodithiophene
Brigitte Wex1, Bilal R Kaafarani, Allen G Oliver
1Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, USA.
Abstract:
The photochemical [2pi +2pi] cycloaddition of dimethyl acetylenedicarboxylate to benzo[1,2-b:4,5-b']dithiophene has been used to synthesize substituted cyclobuta[b]thieno[2,3-f][1]benzothiophene. The first [2pi + 2pi] photocycloaddition reaction of a series of butadiynes to benzodithiophene is reported to yield regioselective and acetylene-substituted cyclobutene derivatives containing an aromatic thiophene moiety.
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