Description

(E)-2-Cyclopropylvinylboronic Acid is a high-purity organoboron building block essential for modern synthetic chemistry. This compound serves as a critical reagent in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for the synthesis of novel active ingredients and functional molecules.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds between the vinylboronic acid moiety and aryl or vinyl halides.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs), particularly those containing cyclopropyl and olefin functionalities.
• Agrochemical Compound Development: Employed in creating novel herbicides, fungicides, and insecticides with tailored biological activity.
• Material Science Research: Acts as a precursor for synthesizing organic electronic materials, liquid crystals, and polymers with specific optical or electronic properties.
• Chemical Biology & Probe Development: Useful for the site-specific modification of biomolecules or the creation of molecular probes for diagnostic applications.
• Process Chemistry & Scale-up: Supports the development of efficient, scalable synthetic routes for commercial production.

Basic Information

Product Name	(E)-2-Cyclopropylvinylboronic Acid
CAS No.	903510-64-5
Molecular Formula	C5H9BO2
Molecular Weight	111.94 g/mol
Synonyms	(E)-2-Cyclopropylethenylboronic Acid; trans-2-Cyclopropylvinylboronic Acid; 2-Cyclopropylvinylboronic Acid (E)-; Boronic acid, B-[(1E)-2-cyclopropyl-1-ethenyl]-; Cyclopropylethylene boronic acid (E)-; (E)-2-Cyclopropylvinyldihydroxyborane; trans-2-Cyclopropylethylene-1-boronic Acid
EINECS	Contact for details

Quality Control

Our (E)-2-Cyclopropylvinylboronic Acid is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (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.