Intermediates

2,2-Dimethylpropylboronic Acid

  • CAS No.701261-35-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 2,2-dimethylpropylboronic acid (CAS 701261-35-0), a valuable boronic acid intermediate for Suzuki-Miyaura cross-coupling reactions in pharmaceutical and agrochemical synthesis.

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Product Technical Details

Product Overview

2,2-Dimethylpropylboronic acid, also known as neopentylboronic acid, is a sterically hindered aliphatic boronic acid widely employed as a key building block in modern organic synthesis. With its robust neopentyl backbone, this compound offers enhanced stability against protodeboronation and oxidation, making it particularly suitable for demanding cross-coupling protocols under rigorous reaction conditions.

Specifications

Molecular FormulaC5H13BO2
Molecular Weight115.97 g/mol
CAS Number701261-35-0
AppearanceWhite to off-white solid
Purity (GC/HPLC)≥97% (Typical assay: 98.9%)
Melting Point85–89°C
Boiling Point191.7°C at 760 mmHg
Density0.905 g/cm³
Flash Point69.7°C
Refractive Index1.409

Industrial Applications

This high-purity boronic acid serves primarily as a specialty intermediate in the synthesis of complex organic molecules. Its primary utility lies in palladium-catalyzed Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds critical to active pharmaceutical ingredients (APIs), crop protection agents, and advanced materials. The neopentyl structure imparts steric bulk that can influence regioselectivity and metabolic stability in final compounds.

  • Ideal for synthesizing sterically encumbered biaryl or alkyl-aryl motifs
  • Compatible with standard anhydrous handling and inert atmosphere protocols
  • Supplied with full analytical documentation including Certificate of Analysis (COA)
  • Manufactured under ISO-compliant quality systems for consistent batch-to-batch performance

As a non-application-ready chemical, 2,2-dimethylpropylboronic acid is intended exclusively for research, development, and industrial-scale synthesis by qualified professionals in controlled environments.