(E)-Phenyl-1,2-ethylenediboronic acid bis(pinacol) ester
(E)-Phenyl-1,2-ethylenediboronic acid bis(pinacol) ester (CAS: 173603-23-1) is an organoboron compound with the molecular formula C20H30B2O4 and a molecular weight of 356.07 g/mol. This alkenyl boronate ester serves as a valuable building block in organic synthesis. It is particularly useful in cross-coupling reactions for constructing complex organic molecules, finding applications in materials science and pharmaceutical research.
- IUPAC
- cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) styrene,cis-2-Phenylvinyl-1,2-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
- Synonyms
- C20H30B2O4cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) styrenecis-2-Phenylvinyl-1,2-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
Organic Synthesis
Utilised as a versatile reagent in various coupling reactions, such as Suzuki-Miyaura cross-couplings, to form new carbon-carbon bonds. Its structure allows for the introduction of a phenyl vinyl moiety into target molecules.
Materials Science
Can be employed in the synthesis of novel organic materials, including conjugated polymers and organic semiconductors, where the precise arrangement of aromatic and vinyl groups is critical for electronic properties.
Pharmaceutical Intermediate
Serves as a key intermediate in the multi-step synthesis of complex pharmaceutical compounds and active pharmaceutical ingredients (APIs), facilitating the construction of specific molecular architectures.
| Molecular weight | 356.07 |
|---|---|
| Empirical formula | C20H30B2O4 |
| Assay | 98% |
| Melting point | 69-73 °C(lit.) |
| 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 (E)-Phenyl-1,2-ethylenediboronic acid bis(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 for creating carbon-carbon bonds, and in the development of new materials and pharmaceutical intermediates.
What is the CAS number and molecular formula for (E)-Phenyl-1,2-ethylenediboronic acid bis(pinacol) ester?
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The CAS number is 173603-23-1 and the molecular formula is C20H30B2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (E)-Phenyl-1,2-ethylenediboronic acid bis(pinacol) ester with an assay of 98%. This is a research or technical grade material and TSS does not represent it as USP, BP, EP, or other pharmacopoeial standards.
What are the safety considerations when handling this compound?
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When handling (E)-Phenyl-1,2-ethylenediboronic acid bis(pinacol) ester, it is essential to use appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is also recommended.
Is this compound a hazardous substance?
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Yes, this compound is classified with a WGK Germany rating of 3, indicating it is highly hazardous to water. Appropriate safety precautions are necessary during handling and disposal.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. This product is carefully packed and shipped according to international regulations for hazardous materials, ensuring safe and compliant transit worldwide.
How can I request a quote or sample?
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To request a quote or a sample of (E)-Phenyl-1,2-ethylenediboronic acid bis(pinacol) ester, please contact our sales team through the dedicated portal on our website, providing your contact details and specific requirements.
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