2-Bromo[1]benzothieno[3,2-b][1]benzothiophene TCI B6247

Chemical Identity

Other names: 2-Bromobenzo[b]benzo[4,5]thieno[2,3-d]thiophene
CAS No.: 1398397-58-4
Formula: C14H7BrS2
Molecular weight: 319.23 g/mol
Purity: >95.0%(HPLC)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-bromo-[1]benzothiolo[3,2-b][1]benzothiole
SMILES: C1=CC=C2C(=C1)C3=C(S2)C4=C(S3)C=C(C=C4)Br
InChIKey: DQEOJOCRXKEBFL-UHFFFAOYSA-N
PubChem: CID 118333911

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2-Bromo[1]benzothieno[3,2-b][1]benzothiophene is a brominated benzothienobenzothiophene (BTBT) derivative that serves as a versatile building block for synthesizing small-molecule organic semiconductors. The bromine substituent enables further functionalization via cross-coupling reactions, such as Suzuki-Miyaura or Stille coupling, to access advanced π-conjugated materials. These resulting materials are widely employed in the fabrication of organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and flexible printed electronic devices.

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