trans-1-Penten-1-ylboronic acid pinacol ester
trans-1-Penten-1-ylboronic acid pinacol ester (CAS: 161395-96-6, C11H21BO2) is an organoboron compound with a molecular weight of 196.09 g/mol. This alkenylic boronate ester is a versatile building block in organic synthesis. It is primarily employed in cross-coupling reactions, such as Suzuki-Miyaura couplings, for the formation of carbon-carbon bonds. Its utility extends to the synthesis of complex organic molecules, including pharmaceuticals and advanced materials.
- IUPAC
- E-2-(1-Pentenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,trans-1-Pentenylboronic acid pinacol ester
- Synonyms
- E-2-(1-Pentenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Suzuki-Miyaura Cross-Coupling Reactions
This pinacol ester serves as a key coupling partner in palladium-catalyzed Suzuki-Miyaura reactions. It facilitates the formation of C-C bonds, enabling the synthesis of substituted alkenes and other complex organic structures.
Organic Synthesis Building Block
As an organoboron reagent, trans-1-Penten-1-ylboronic acid pinacol ester is valuable for introducing the pentenyl group into various organic frameworks. It is a useful intermediate in multi-step synthetic pathways.
Pharmaceutical Intermediate Synthesis
The compound's ability to participate in carbon-carbon bond formation makes it relevant in the synthesis of biologically active molecules and pharmaceutical intermediates.
| Molecular weight | 196.09 |
|---|---|
| Empirical formula | C11H21BO2 |
| Assay | 97% |
| Boiling point | 110-111 °C/28 mmHg |
| Density | 0.884 g/mL at 25 °C |
| Refractive index | n20/D 1.441 |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 82 °C / 179.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| 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-1-Penten-1-ylboronic acid pinacol ester used for?
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It is primarily used as a building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for forming carbon-carbon bonds, and in the synthesis of pharmaceutical intermediates.
What are the CAS number and chemical formula?
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The CAS number is 161395-96-6 and the chemical formula is C11H21BO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-1-Penten-1-ylboronic acid pinacol ester with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations?
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This compound is flammable, with a flash point of 82 °C. Handling requires appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, as indicated by its GHS hazards.
How is this chemical shipped?
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This product is classified under NA 1993 / PGIII for transportation. Tech Serve Solutions exports and ships fine chemicals globally.
How can I request a sample or quote?
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Please contact our sales team via the website or email to request a sample or a quotation for trans-1-Penten-1-ylboronic acid pinacol ester.
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