Description

(E)-(2-Cyclopentylethenyl)Boronic Acid is a high-purity organoboronic acid derivative, a crucial building block in modern synthetic chemistry. Its core value lies in enabling efficient carbon-carbon bond formation, specifically in Suzuki-Miyaura cross-coupling reactions, which are fundamental to constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery, catalyst development, and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly for complex, cyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides requiring specific cyclopentyl-containing motifs.
• Material Science: Serves as a precursor for creating functionalized polymers, liquid crystals, and organic electronic materials.
• Catalyst Ligand Development: Employed in the preparation of novel palladium and other transition metal catalyst ligands for cross-coupling reactions.
• Chemical Research: A versatile reagent in academic and industrial R&D labs for methodology development and constructing complex organic molecules.
• Fine Chemical Production: Used in the multi-step synthesis of specialty flavors, fragrances, and other high-value fine chemicals.

Basic Information

Product Name	(E)-(2-Cyclopentylethenyl)Boronic Acid
CAS No.	161282-93-5
Molecular Formula	C7H13BO2
Molecular Weight	139.99 g/mol
Synonyms	(E)-2-Cyclopentylvinylboronic Acid; trans-2-Cyclopentylvinylboronic Acid; (E)-2-Cyclopentyl-1-ethenylboronic Acid; B-[(1E)-2-Cyclopentyl-1-ethenyl]boronic Acid; (E)-2-(Cyclopentyl)ethenylboronic Acid; (E)-2-Cyclopentylvinylboronic Acid; (E)-2-Cyclopentylvinyl-B(OH)2; Cyclopentylvinylboronic Acid (E-isomer)
EINECS	Contact for details

Quality Control

Our (E)-(2-Cyclopentylethenyl)Boronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment. We support compliance with relevant industry standards for research and commercial use.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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