Description

4-(Cyclopentyloxy)-3,5-Difluorophenylboronic Acid is a high-purity boronic acid derivative, a critical building block in modern synthetic organic chemistry. Its value lies in enabling precise carbon-carbon bond formation via the Suzuki-Miyaura cross-coupling reaction, a cornerstone for constructing complex molecular architectures. This advanced intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing new active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for small molecule drugs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in constructing novel herbicides, fungicides, and insecticides that require specific aryl-aryl linkages.
• Material Science Research: Serves as a monomer or building block for creating advanced organic electronic materials, such as those used in OLEDs or organic photovoltaics.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and organoboron reagents.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes and target engagement.
• Custom Synthesis and Contract Manufacturing: A vital component for CROs and CDMOs offering bespoke chemical synthesis services to global clients.

Basic Information

Product Name	4-(Cyclopentyloxy)-3,5-Difluorophenylboronic Acid
CAS No.	2096331-93-8
Molecular Formula	C₁₁H₁₃BF₂O₃
Molecular Weight	242.03 g/mol
Synonyms	3,5-Difluoro-4-(cyclopentyloxy)benzeneboronic Acid; [4-(Cyclopentyloxy)-3,5-difluorophenyl]boronic Acid; 4-Cyclopentyloxy-3,5-difluorobenzeneboronic Acid; B-[4-(Cyclopentyloxy)-3,5-difluorophenyl]boronic Acid; (4-(Cyclopentyloxy)-3,5-difluorophenyl)boronic Acid; PINACOL ESTER OF 4-(CYCLOPENTYLOXY)-3,5-DIFLUOROPHENYLBORONIC ACID (common derivative); 2096331-93-8
EINECS	Contact for details

Quality Control

Every batch of 4-(Cyclopentyloxy)-3,5-Difluorophenylboronic Acid is manufactured under strict quality management systems and undergoes comprehensive analytical testing. We ensure compliance with stringent internal specifications, which are aligned with industry best practices for advanced pharmaceutical intermediates. A detailed Certificate of Analysis (COA) providing purity, identity, and impurity profile data is supplied with each shipment to guarantee reliable and consistent performance in your critical coupling reactions.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This material is light-sensitive and easily oxidized; prolonged exposure to air, moisture, or light may compromise purity and reactivity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥97.0% (Area %)
Water Content (KF)	≤0.5%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.1%

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