4-Ethoxycarbonylphenylboronic acid pinacol ester
4-Ethoxycarbonylphenylboronic acid pinacol ester (CAS: 195062-62-5) is an organoboron compound with the molecular formula C15H21BO4 and a molecular weight of 276.14. This aryl boronate ester serves as a valuable building block in organic synthesis. It is frequently employed in Suzuki-Miyaura cross-coupling reactions and other palladium-catalysed transformations for the formation of carbon-carbon bonds, facilitating the synthesis of complex organic molecules.
- IUPAC
- 4-Carboethoxyphenylboronic acid pinacol ester,Ethyl 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate
- Synonyms
- Ethyl 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate

Suzuki-Miyaura Cross-Coupling Reactions
Utilised as a coupling partner in Suzuki-Miyaura reactions to introduce the 4-ethoxycarbonylphenyl moiety into various organic scaffolds. This is a fundamental method for C-C bond formation in medicinal chemistry and materials science.
Organic Synthesis
Acts as a versatile intermediate in the construction of more complex molecular architectures. Its reactivity allows for diverse synthetic pathways, contributing to the development of novel compounds.
Pharmaceutical Intermediate Synthesis
A key reagent in the synthesis of potential pharmaceutical agents, enabling the precise assembly of pharmacologically relevant structures.
| Molecular weight | 276.14 |
|---|---|
| Empirical formula | C15H21BO4 |
| Boiling point | 330 °C(lit.) |
| Density | 1.052 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| 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 4-Ethoxycarbonylphenylboronic acid pinacol ester used for?
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4-Ethoxycarbonylphenylboronic acid pinacol ester is primarily used as a building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for forming carbon-carbon bonds and synthesising complex organic molecules, including potential pharmaceutical intermediates.
What is the CAS number and chemical formula?
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The CAS number is 195062-62-5, and the chemical formula is C15H21BO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and chemical synthesis purposes. The specific grade and purity are available upon request. TSS does not represent this product as USP, BP, or EP grade.
How should 4-Ethoxycarbonylphenylboronic acid pinacol ester be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. Refer to the Safety Data Sheet (SDS) for comprehensive handling and safety information.
Is 4-Ethoxycarbonylphenylboronic acid pinacol ester a controlled substance?
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Based on the provided data, there is no indication that 4-Ethoxycarbonylphenylboronic acid pinacol ester is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packages chemicals according to industry standards to ensure safe transit. We are experienced global exporters, complying with all relevant international shipping regulations.
How can I request a sample or quote?
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To request a sample or obtain a quotation for 4-Ethoxycarbonylphenylboronic acid pinacol ester, please contact our sales team through the website or by phone.
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