(E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester
(E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester (CAS: 307531-74-4) is an organoboron compound with the molecular formula C19H36B2O4 and a molecular weight of 350.11 g/mol. It belongs to the class of Alkenyl Boronate Esters and is a valuable reagent in organic synthesis. This compound is primarily utilised for its role in carbon-carbon bond formation through various coupling reactions, enabling the construction of complex organic molecules.
- IUPAC
- 1-[cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)] heptene,2,2′-[(1Z)-1-Pentyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane]
- Synonyms
- C19H36B2O42,2′-[(1Z)-1-Pentyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane]1-[cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)] heptene

Organic Synthesis Reagent
This compound serves as a key building block in complex organic syntheses. Its boronate ester functionality readily participates in cross-coupling reactions, such as Suzuki-Miyaura couplings, to form new carbon-carbon bonds.
Pharmaceutical Intermediate
Its ability to facilitate the formation of intricate carbon frameworks makes it useful in the synthesis pathways for potential pharmaceutical agents and complex drug molecules.
Materials Science
Organoboron compounds are increasingly explored in materials science for the development of novel polymers and functional materials, where specific structural motifs can be introduced via boronate ester chemistry.
| Molecular weight | 350.11 |
|---|---|
| Empirical formula | C19H36B2O4 |
| Assay | 95% |
| Boiling point | 330 °C(lit.) |
| Density | 0.949 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.457(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 (E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester used for?
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(E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester is used as a reagent in organic synthesis, particularly for carbon-carbon bond formation in cross-coupling reactions, and as a potential intermediate in pharmaceutical and materials science.
What are the CAS number and formula for this compound?
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The CAS number is 307531-74-4 and the empirical formula is C19H36B2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester with an assay of 95%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling considerations?
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This compound has a flash point of 110 °C (230 °F) and requires the use of eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Please consult the Safety Data Sheet for full hazard information.
Is this chemical a controlled substance?
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The provided data does not indicate that (E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all relevant shipping regulations for safe transport.
How can I request a sample or quote?
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To request a sample or a quote for (E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester, please contact our sales team through our website or by phone.
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