Description

4,4,5,5-Tetramethyl-2-(1-Methylcyclopropyl)-1,3,2-Dioxaborolane is a high-purity, advanced boronic ester building block essential for modern synthetic chemistry. Its value lies in providing a stable, protected boronic acid equivalent that facilitates complex cross-coupling reactions, such as Suzuki-Miyaura couplings, under mild conditions. This compound is critically needed by researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries for the efficient synthesis of novel organic molecules and functional materials.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing complex drug candidates and active pharmaceutical ingredients (APIs) via palladium-catalyzed cross-coupling reactions.
• Agrochemical Development: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific aryl or heteroaryl linkages.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for creating advanced organic semiconductors and emissive layer materials in display technology.
• Polymer & Material Science: Enables the incorporation of boronate functional groups into polymers and advanced organic frameworks for specialty materials.
• Chemical Research & Development: A versatile tool in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries.
• Ligand & Catalyst Preparation: Used in the synthesis of sophisticated ligands and organometallic catalysts for asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2-(1-Methylcyclopropyl)-1,3,2-Dioxaborolane
CAS No.	126689-04-1
Molecular Formula	C11H21BO2
Molecular Weight	196.10 g/mol
Synonyms	(1-Methylcyclopropyl)boronic acid pinacol ester; 1-Methylcyclopropaneboronic acid pinacol ester; 2-(1-Methylcyclopropyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; (1-Methylcyclopropyl)BPin; Pinacol (1-methylcyclopropyl)boronate; 1-MCP-BPin; 1-Methylcyclopropylboronic acid pinacol ester; B-(1-Methylcyclopropyl)pinacolborane
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-2-(1-Methylcyclopropyl)-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including NMR, GC, and HPLC, to ensure high chemical 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 area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Purity (NMR)	≥ 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.