5-(Piperidinomethyl)-2-thiopheneboronic acid pinacol ester
5-(Piperidinomethyl)-2-thiopheneboronic acid pinacol ester (CAS: 1218790-44-3; Formula: C16H26BNO2S; MW: 307.26) is a key organoboron compound. This aryl boronate ester serves as a versatile building block in organic synthesis, particularly for cross-coupling reactions. Its unique structure allows for sophisticated molecular assembly, making it valuable in research and development across various chemical disciplines. It is supplied at 97% purity.

Organic Synthesis Intermediate
This compound functions as a crucial intermediate in the synthesis of complex organic molecules. Its boronate ester functionality readily participates in Suzuki-Miyaura coupling reactions, enabling the formation of new carbon-carbon bonds.
Pharmaceutical Research
It is utilised in medicinal chemistry for the development of novel pharmaceutical agents. The thiophene and piperidine motifs, coupled with the boronic ester, offer diverse structural possibilities for drug discovery programmes.
Materials Science
The unique electronic and structural properties conferred by the thiophene ring make this compound potentially useful in the creation of advanced materials. Applications may include organic electronics or functional polymers.
| Molecular weight | 307.26 |
|---|---|
| Empirical formula | C16H26BNO2S |
| Assay | 97% |
| Melting point | 64-68 °C |
Hazard statements
- H413May cause long-lasting harmful effects to aquatic life
| Water hazard class (WGK, DE) | 2 |
|---|
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 5-(Piperidinomethyl)-2-thiopheneboronic acid pinacol ester used for?
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This compound is primarily used as a versatile building block in organic synthesis, particularly for constructing carbon-carbon bonds via cross-coupling reactions like the Suzuki-Miyaura coupling. It is also employed in pharmaceutical research and potentially in materials science.
What are the CAS number and formula for this product?
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The CAS number is 1218790-44-3, and the empirical formula (Hill notation) is C16H26BNO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at a purity of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
What are the safety and handling considerations?
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This compound carries the hazard statement H413: May cause long lasting harmful effects to aquatic life. Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive handling information.
How is this chemical packed, shipped, and exported?
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Products are carefully packed in compliance with international shipping regulations. Tech Serve Solutions is experienced in global export of chemicals.
How can I request a sample or a quote?
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Please contact our sales team via the website or email to request a quotation or sample.
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