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

CAS 312693-52-0C18H34B2O4Chemical Synthesis

(E)-1-Hexene-1,2-diboronic acid bis(pinacol) ester (CAS: 312693-52-0) is an organoboron compound with the empirical formula C18H34B2O4 and a molecular weight of 336.08 g/mol. This alkenyl boronate ester serves as a versatile building block in organic synthesis. Its structure, featuring two pinacol boronate ester groups on an alkene, makes it valuable for cross-coupling reactions and the construction of complex organic molecules.

IUPAC: 1-[cis-1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)]hexene,2,2′-[(1Z)-1-Butyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane]
Synonyms: C18H34B2O42,2′- [(1Z)-1-Butyl-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)]hexene

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(E)-1-Hexene-1,2-diboronic acid bis(pinacol) ester (C18H34B2O4) — chemical structure, CAS 312693-52-0; Chemistry, fine chemical supplied by Tech Serve Solutions

Alkenyl Boronate EstersBoronate EstersChemical SynthesisOrganometallic Reagents

01 /Applications

Organic Synthesis Intermediate

Utilised as a key intermediate in the synthesis of complex organic molecules. Its difunctional nature allows for sequential or double cross-coupling reactions.

Cross-Coupling Reactions

Participates in palladium-catalyzed cross-coupling reactions, such as Suzuki-Miyaura couplings, enabling the formation of new carbon-carbon bonds.

Materials Science Research

Investigated for its potential incorporation into novel polymers and functional materials due to the presence of reactive boronate ester groups.

02 /Properties

Molecular weight	336.08
Empirical formula	C18H34B2O4
Boiling point	292 °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
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.

04 /Identifiers & registry

CAS number

312693-52-0

MDL number

MFCD03093898

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-Hexene-1,2-diboronic acid bis(pinacol) ester used for?

This compound is primarily used as an intermediate in organic synthesis, particularly in palladium-catalyzed cross-coupling reactions like the Suzuki-Miyaura coupling, for the construction of complex organic molecules.

What are the CAS number and formula for this product?

The CAS number is 312693-52-0, and the empirical formula is C18H34B2O4.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (E)-1-Hexene-1,2-diboronic acid bis(pinacol) ester typically as a research or technical grade. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.

How should (E)-1-Hexene-1,2-diboronic acid bis(pinacol) ester be handled?

Handling requires appropriate personal protective equipment, including eyeshields and gloves. The compound has a flash point above 110 °C (230 °F), indicating it is combustible rather than highly flammable. It is classified under WGK Germany 3, signifying a high hazard to water.

How is this chemical packed, shipped, and exported?

Tech Serve Solutions professionally packs, handles, and exports chemicals globally, adhering to all relevant shipping regulations to ensure safe and timely delivery.