trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester
trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester (CAS: 870717-91-2; Formula: C16H23BO2; MW: 258.16) is a valuable organoboron compound. It serves as a versatile building block in organic synthesis, particularly in cross-coupling reactions. Its structure, featuring an ethylphenyl group attached to a vinylboronate ester, makes it suitable for introducing specific aryl-vinyl functionalities into more complex molecules. Primarily used in research and development settings for the synthesis of novel organic compounds.
- IUPAC
- 2-(E-2-(4-Ethylphenyl)vinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,E-2-(4-Ethylphenyl)vinylboronic acid pinacol ester
- Synonyms
- E-2-(4-Ethylphenyl)vinylboronic acid pinacol ester2-(E-2-(4-Ethylphenyl)vinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Suzuki-Miyaura Cross-Coupling Reactions
This boronate ester is an excellent coupling partner in palladium-catalysed Suzuki-Miyaura reactions. It facilitates the formation of carbon-carbon bonds, enabling the synthesis of substituted styrenes and related conjugated systems.
Organic Synthesis Intermediate
Its unique structure makes it a useful intermediate in the multi-step synthesis of pharmaceuticals, agrochemicals, and advanced materials. The pinacol ester group offers good stability and ease of handling compared to free boronic acids.
Material Science Research
It can be employed in the development of novel organic electronic materials, such as conjugated polymers and oligomers, due to the presence of the vinyl and aryl moieties.
| Molecular weight | 258.16 |
|---|---|
| Empirical formula | C16H23BO2 |
| Assay | 97% |
| Melting point | 46-51 °C |
| 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 trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester used for?
+
trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester is primarily used as a building block in organic synthesis, particularly for Suzuki-Miyaura cross-coupling reactions to form carbon-carbon bonds, and as an intermediate in the synthesis of complex organic molecules, including potential pharmaceuticals and materials.
What is the CAS number and formula for trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester?
+
The CAS number is 870717-91-2, and the empirical formula (Hill notation) is C16H23BO2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester be handled safely?
+
This compound has a high flash point (>110 °C) and a melting point of 46-51 °C. According to GHS classification, it is assigned a WGK (Germany) of 3, indicating it is hazardous to water. Handle with appropriate personal protective equipment in a well-ventilated area. Consult the Safety Data Sheet (SDS) for detailed hazard information and handling procedures.
Is trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester available for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester, and can ship to various international destinations.
How can I request a quote or sample for this chemical?
+
To request a quote or a sample of trans-2-(4-Ethylphenyl)vinylboronic acid pinacol ester, please visit the Tech Serve Solutions website or contact our sales department directly with your inquiry.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis