(E)-1-Pentene-1,2-diboronic acid bis(pinacol) ester

CAS 307531-75-5C17H32B2O4Chemical Synthesis

(E)-1-Pentene-1,2-diboronic acid bis(pinacol) ester (CAS: 307531-75-5) is an organoboron compound with the molecular formula C17H32B2O4. This compound serves as a valuable building block in organic synthesis, particularly in cross-coupling reactions. Its structure, featuring a pentene backbone with two pinacol boronate ester groups, enables the introduction of complex alkenyl moieties into target molecules. It is primarily utilised in research and development settings for the creation of novel organic compounds.

IUPAC: 1-[cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)] pentene,2,2′-[(1Z)-1-Propyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane]
Synonyms: C17H32B2O41-[cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)] pentene2,2′-[(1Z)-1-Propyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane]

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(E)-1-Pentene-1,2-diboronic acid bis(pinacol) ester (C17H32B2O4) — chemical structure, CAS 307531-75-5; Chemistry, fine chemical supplied by Tech Serve Solutions

Alkenyl Boronate EstersBoronate EstersChemical SynthesisOrganometallic Reagents

01 /Applications

Organic Synthesis Intermediate

This diboronate ester is employed as a key intermediate in complex organic syntheses. It facilitates the formation of carbon-carbon bonds through various coupling methodologies.

Cross-Coupling Reactions

It is highly effective in Suzuki-Miyaura coupling and related palladium-catalysed reactions, allowing for the efficient construction of substituted alkenes and polyaromatic systems.

Materials Science Research

The unique structure of this compound can be incorporated into polymers or advanced materials, influencing their electronic or optical properties in research contexts.

Pharmaceutical Intermediate Development

Used in the early stages of drug discovery and development to synthesise novel molecular scaffolds with potential therapeutic applications.

02 /Properties

Molecular weight	322.06
Empirical formula	C17H32B2O4
Boiling point	301-303 °C(lit.)
Density	0.954 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.455(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US)
Flash point	76 °C / 168.8 °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.

04 /Identifiers & registry

CAS number

307531-75-5

MDL number

MFCD03093909

05 /Quality & supply

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.

06 /Frequently asked questions

What is (E)-1-Pentene-1,2-diboronic acid bis(pinacol) ester used for?

This compound is primarily used as an intermediate in organic synthesis and cross-coupling reactions for the development of novel organic compounds, materials, and potential pharmaceutical agents.

What is the CAS number and formula?

The CAS number is 307531-75-5 and the empirical formula is C17H32B2O4.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay or grade is detailed on the product specification sheet; it is not supplied as USP, BP, EP, or any other pharmacopoeia grade.

What are the main safety hazards associated with this chemical?

This compound is flammable and can cause serious eye irritation. Appropriate personal protective equipment, including eyeshields and gloves, should be used. Handle in a well-ventilated area and avoid ignition sources.

How is this chemical packed and shipped?

Tech Serve Solutions exports fine chemicals globally, adhering to all relevant transportation regulations for hazardous materials. Packaging is designed to ensure product integrity and safety during transit.

How can I request a quote or sample?

To request a quote or sample, please visit the product page on the Tech Serve Solutions website and use the designated contact form or inquire via email.