3-Methylthiophene-2-boronic acid pinacol ester
3-Methylthiophene-2-boronic acid pinacol ester (CAS: 885692-91-1, Formula: C11H17BO2S) is a stable organoboron compound with a molecular weight of 224.13 g/mol. It serves as a valuable building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This heteroaryl boronate ester is essential for the construction of complex molecular architectures in pharmaceuticals, agrochemicals, and materials science research.
- IUPAC
- 4,4,5,5-Tetramethyl-2-(3-methyl-2-thienyl)-1,3,2-dioxaborolane
- Synonyms
- 4,4,5,5-Tetramethyl-2-(3-methyl-2-thienyl)-1,3,2-dioxaborolane
Suzuki-Miyaura Cross-Coupling Reactions
This boronate ester is a key reagent in palladium-catalysed Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds between aryl or vinyl halides and organoboron compounds. It is instrumental in the synthesis of biaryl and heteroaryl compounds.
Pharmaceutical Intermediate Synthesis
Its utility in C-C bond formation makes it a crucial intermediate for the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates. The thiophene moiety is a common feature in many biologically active molecules.
Materials Science
The compound can be incorporated into organic electronic materials, such as organic light-emitting diodes (OLEDs) or organic field-effect transistors (OFETs), contributing to the development of novel functional materials with tailored electronic properties.
Agrochemical Development
It acts as a building block for the synthesis of novel agrochemicals, including pesticides and herbicides, where the thiophene ring system can impart specific biological activity.
| Molecular weight | 224.13 |
|---|---|
| Empirical formula | C11H17BO2S |
| Assay | 97% |
| Melting point | 57-62 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Methylthiophene-2-boronic acid pinacol ester primarily used for?
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This compound is primarily used as a building block in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions, and in the development of pharmaceuticals, agrochemicals, and materials.
What are the CAS number and chemical formula for 3-Methylthiophene-2-boronic acid pinacol ester?
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The CAS number is 885692-91-1 and the chemical formula is C11H17BO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at a minimum purity of 97%. This product is not specified as USP, BP, EP, or any other pharmacopoeia grade and is supplied for research and development or technical use.
What are the safety considerations when handling 3-Methylthiophene-2-boronic acid pinacol ester?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified under WGK Germany 3, indicating a high hazard to water.
Is 3-Methylthiophene-2-boronic acid pinacol ester available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Methylthiophene-2-boronic acid pinacol ester, catering to international research and industrial needs.
How can I request a quote or sample?
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To request a quote or sample, please use the contact form on our website or reach out to our sales team directly with your inquiry.
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