2-Phenyl-1-ethynylboronic acid pinacol ester
2-Phenyl-1-ethynylboronic acid pinacol ester (CAS: 159087-45-3; Formula: C14H17BO2; MW: 228.09 g/mol) is an organoboron compound. It serves as a valuable building block in organic synthesis, particularly for cross-coupling reactions. This alkynyl boronate ester is employed in the preparation of complex organic molecules within pharmaceutical research and materials science.
- IUPAC
- 4,4,5,5-Tetramethyl-2-(phenylethynyl)-1,3,2-dioxaborolane
- Synonyms
- 4,4,5,5-Tetramethyl-2-(phenylethynyl)-1,3,2-dioxaborolane
Organic Synthesis
Utilised as a key intermediate in Sonogashira and Suzuki coupling reactions for carbon-carbon bond formation. It enables the introduction of a phenylethynyl group into various molecular scaffolds.
Pharmaceutical Research
A versatile reagent for the synthesis of novel drug candidates and pharmacologically active compounds. Its reactivity profile facilitates the construction of complex molecular architectures relevant to medicinal chemistry.
Materials Science
Applicable in the development of advanced organic materials, such as conjugated polymers and organic electronic components. The phenylethynyl moiety can influence the electronic and optical properties of these materials.
| Molecular weight | 228.09 |
|---|---|
| Empirical formula | C14H17BO2 |
| Assay | 90% |
| Melting point | 49-68 °C |
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 2-Phenyl-1-ethynylboronic acid pinacol ester used for?
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This compound is primarily used as a building block in organic synthesis, particularly in cross-coupling reactions like Sonogashira and Suzuki couplings, for creating complex organic molecules in pharmaceutical research and materials science.
What are the CAS number and formula for 2-Phenyl-1-ethynylboronic acid pinacol ester?
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The CAS number is 159087-45-3 and the empirical formula is C14H17BO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at a minimum assay of 90%. It is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
What are the safety considerations for handling this chemical?
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This compound is classified under WGK 2 (Water Hazard Class 2) in Germany, indicating it is hazardous to aquatic life. Appropriate personal protective equipment (PPE), such as gloves and eye protection, should be used. Handle in a well-ventilated area or fume hood.
How is this chemical packaged and shipped?
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Tech Serve Solutions exports this chemical globally, adhering to all relevant shipping regulations for hazardous materials. Packaging is designed to ensure product integrity and safety during transit.
How can I request a sample or quote for this product?
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To request a sample or a quotation, please visit the Tech Serve Solutions website or contact our sales department directly with your inquiry.
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