Description

4,4,5,5-Tetramethyl-2-(3-Methylbut-1-Enyl)-1,3,2-Dioxaborolane is a high-value organoboron reagent, specifically a vinylboronic ester, prized for its stability and reactivity in advanced synthetic transformations. This compound is a critical intermediate for the construction of complex molecular architectures, enabling efficient carbon-carbon bond formation. It is essential for research and production in pharmaceutical development, agrochemical synthesis, and the creation of functional materials and liquid crystals.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for palladium-catalyzed cross-coupling to form biaryl and styrenyl compounds, fundamental in drug discovery.
• Pharmaceutical Intermediate Synthesis: Used in the production of active pharmaceutical ingredients (APIs) and complex bioactive molecules.
• Agrochemical Manufacturing: Serves as a building block for novel herbicides, fungicides, and insecticides.
• Material Science Research: Employed in the synthesis of organic semiconductors, OLED materials, and liquid crystals.
• Polymer Chemistry: Acts as a monomer or functionalization agent for creating specialty polymers with tailored properties.
• Chemical Biology & Proteomics: Utilized in bioconjugation and as a probe for labeling and studying biological systems.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-(3-Methylbut-1-enyl)-1,3,2-dioxaborolane
CAS No.	177949-92-7
Molecular Formula	C11H21BO2
Molecular Weight	196.10 g/mol
Synonyms	3-Methylbut-1-en-1-ylboronic acid pinacol ester; 3-Methyl-1-butenylboronic acid pinacol ester; (3-Methylbut-1-en-1-yl)boronic acid pinacol ester; 2-(3-Methylbut-1-enyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Isopentenylboronic acid pinacol ester; Pinacol (3-methylbut-1-en-1-yl)boronate; 1,3,2-Dioxaborolane, 2-(3-methyl-1-butenyl)-4,4,5,5-tetramethyl-
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-2-(3-Methylbut-1-Enyl)-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or when opening the container to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.