Intermediates

Diethyl(3-pyridyl)borane

  • CAS No.89878-14-8
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Diethyl(3-pyridyl)borane (CAS 89878-14-8), a key boron-containing intermediate for advanced pharmaceutical synthesis.

Request Bulk Pricing

Product Technical Details

Product Overview

Diethyl(3-pyridyl)borane is a high-value organoboron compound widely employed as a specialized building block in modern medicinal chemistry and fine chemical manufacturing. With its well-defined pyridyl-borane architecture, this reagent facilitates critical carbon-carbon bond-forming transformations, particularly in Suzuki-Miyaura cross-coupling reactions. Its structural precision and reactivity profile make it indispensable in the synthesis of complex bioactive molecules.

Specifications

Molecular FormulaC9H14BN
Molecular Weight147.03 g/mol
Density0.86 g/cm³
Boiling Point205.9°C at 760 mmHg
Melting Point172–175°C (lit.)
Refractive Index1.457
AppearanceWhite powder
Assay≥98.0%
Water Content≤0.50%
Hazard ClassificationNon-dangerous goods

Industrial Applications

This borane derivative serves primarily as a versatile intermediate in the production of active pharmaceutical ingredients (APIs). It is notably utilized in synthetic pathways for steroidal therapeutics and other complex organic architectures requiring regioselective functionalization. Key advantages include:

  • Enables efficient construction of biaryl and heterobiaryl motifs prevalent in drug candidates
  • Offers excellent compatibility with palladium-catalyzed coupling protocols
  • Provides high atom economy and reproducible yields under standard process conditions
  • Supports scalable manufacturing with consistent batch-to-batch quality

Stored in a cool, dry, and well-ventilated environment with containers tightly sealed to prevent moisture ingress, Diethyl(3-pyridyl)borane is typically supplied in 25 kg drums, with custom packaging available upon request.