One-pot cascade synthesis of dibenzothiophene-based heterobiaryls from dibenzothiophene-5-oxide.
Org Biomol Chem
; 21(46): 9123-9127, 2023 Nov 29.
Article
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| MEDLINE
| ID: mdl-37947448
ABSTRACT
A sulfoxide directed C-H metalation/boration/B2Pin2 mediated reduction/Suzuki coupling process to synthesize 4-substituted dibenzothiophene (DBT) in one-pot from dibenzothiophene-5-oxide (DBTO) was developed. A variety of DBT-based heterobiaryls were prepared in satisfactory to good yields. A mechanism was proposed. The application of this methodology was demonstrated by synthesizing a luminescent material.
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2023
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