trans-3-Phenyl-1-propen-1-ylboronic acid
trans-3-Phenyl-1-propen-1-ylboronic acid (CAS: 129423-29-6), with the molecular formula C9H11BO2 and a molecular weight of 161.99 g/mol, is an organoboronic acid derivative. It serves as a valuable building block in organic synthesis, participating in various cross-coupling reactions and other transformations to construct complex organic molecules. Its utility is particularly noted in research and development settings for creating novel chemical entities.
- IUPAC
- trans-3-phenylpropen-1-yl-boronic acid

Suzuki-Miyaura Coupling Reactions
This compound is a key reactant in Suzuki-Miyaura coupling reactions, a widely used method for forming carbon-carbon bonds. It enables the efficient synthesis of biaryl compounds and other complex structures.
Carbonylative Arylation
It participates in carbonylative arylation of allenols, providing a pathway to introduce carbonyl groups and aryl moieties into organic frameworks.
Oxidative Cross-Coupling
The boronic acid is involved in oxidative cross-coupling reactions with (trifluoromethyl)trimethylsilane. This transformation is useful for introducing trifluoromethyl groups into organic molecules.
Reductive Coupling Reactions
This reagent can be employed in three-component reductive coupling reactions with alkynes, facilitating the synthesis of substituted alkenes and other unsaturated compounds.
Enantioselective Conjugation
It participates in enantioselective conjugation with vinyl 2-pyridylsulfones, a process critical for the stereocontrolled synthesis of chiral molecules.
| Molecular weight | 161.99 |
|---|---|
| Empirical formula | C9H11BO2 |
| Assay | ≥95% |
| Application | Reactant involved in: • Carbonylative arylation of allenols1• Oxidative cross-coupling with (trifluoromethyl)trimethylsilane2• Suzuki-Miyaura coupling reactions3,4• three-component reductive coupling with alkynes5• Enantioselective conjugation to vinyl 2-pyridylsulfones6 |
| 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 trans-3-Phenyl-1-propen-1-ylboronic acid used for?
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trans-3-Phenyl-1-propen-1-ylboronic acid is used as a reactant in various organic synthesis reactions, including Suzuki-Miyaura coupling, carbonylative arylation of allenols, oxidative cross-coupling with (trifluoromethyl)trimethylsilane, three-component reductive coupling with alkynes, and enantioselective conjugation to vinyl 2-pyridylsulfones.
What are the CAS number and formula for trans-3-Phenyl-1-propen-1-ylboronic acid?
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The CAS number for trans-3-Phenyl-1-propen-1-ylboronic acid is 129423-29-6, and its empirical formula is C9H11BO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-3-Phenyl-1-propen-1-ylboronic acid with a minimum purity of 95%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling recommendations for this chemical?
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Appropriate personal protective equipment, including eyeshields and gloves, should be worn when handling this chemical. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This substance is classified with WGK 3 in Germany, indicating a high hazard level.
How is this product packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures that trans-3-Phenyl-1-propen-1-ylboronic acid is packed securely and adheres to all relevant shipping and export regulations for chemical products.
How can I request a sample or quote for trans-3-Phenyl-1-propen-1-ylboronic acid?
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To request a sample or a quote, please contact our sales department through the contact form on our website or call us directly. Our team will promptly assist you with your inquiry.
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