Thiophene-fused boracycles as photoactive analogues of diboraanthracenes,Chemical Communications

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Thiophene-fused boracycles as photoactive analogues of diboraanthracenes
Chemical Communications ( IF 4.3 ) Pub Date : 2021-09-06 , DOI: 10.1039/d1cc03323a
Shreenibasa Sa ₁ , Anna Chandrasekar Murali ₁ , Prakash Nayak ₁ , Krishnan Venkatasubbaiah ₁

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The construction of thiophene-fused analogues of diboraanthracenes with different aryl substituents through boron-mercury exchange followed by the nucleophilic replacement of the chlorines of dichlorodiboradithiophene 2 with Grignard reagents is reported. These diboradithiophenes exhibited unusual photophysical and electrochemical properties. They all undergo photoisomerisation, which can be traced using photophysical and ¹H NMR spectroscopy studies.

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