Description

2,7-Bis(trimethylstannyl)benzo[2,1-b:3,4-b’]dithiophene (CAS: 1203461-16-8) is a high-purity organotin compound with the molecular formula C₁₆H₂₂S₂Sn₂. This specialized chemical is designed for advanced research and industrial applications, particularly in the fields of organic electronics and materials science. The compound features a benzo[2,1-b:3,4-b’]dithiophene core functionalized with trimethylstannyl groups at the 2 and 7 positions, making it a valuable precursor for Stille coupling reactions in the synthesis of conjugated polymers and small molecules. Its well-defined structure ensures consistent performance in the development of organic semiconductors, photovoltaic materials, and other optoelectronic devices. Packaged under inert conditions to ensure stability, this product is ideal for researchers seeking reliable building blocks for cutting-edge material design.

Properties

• CAS Number: 1203461-16-8
• Complexity: 336
• IUPAC Name: trimethyl-(2-trimethylstannylthieno[3,2-g]benzothiophen-7-yl)stannane
• InChI: InChI=1S/C10H4S2.6CH3.2Sn/c1-2-8-4-6-12-10(8)9-7(1)3-5-11-9;;;;;;;;/h1-4H;6*1H3;;
• InChI Key: SJCVYRMOAVOOHR-UHFFFAOYSA-N
• Exact Mass: 515.92010
• Molecular Formula: C16H22S2Sn2
• Molecular Weight: 515.9
• SMILES: C[Sn](C)(C)C1=CC2=C(S1)C3=C(C=C2)C=C(S3)[Sn](C)(C)C
• Topological: 56.5
• Monoisotopic Mass: 517.92070
• Synonyms: 2,7-Bis(trimethylstannyl)benzo[2,1-b:3,4-b’]dithiophene, 1203461-16-8

Application

2,7-Bis(trimethylstannyl)benzo[2,1-b:3,4-b’]dithiophene is widely used as a key monomer in Stille cross-coupling reactions for the synthesis of conjugated polymers with tailored electronic properties. Its applications include the fabrication of high-performance organic photovoltaic (OPV) materials, organic field-effect transistors (OFETs), and organic light-emitting diodes (OLEDs). The compound’s rigid benzo[2,1-b:3,4-b’]dithiophene core contributes to enhanced charge carrier mobility in resulting materials, making it particularly valuable for optoelectronic research.

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