Description

5-Phenyl-1-Pentenylboronic Acid Pinacol Ester is a high-purity organoboron building block essential for modern synthetic chemistry. This compound is a versatile reagent prized for its stability and reactivity in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is a critical intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop new active ingredients and functional molecules.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds between aryl/vinyl halides and this boronic ester, widely used in medicinal chemistry.
• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides.
• Liquid Crystal & OLED Material Research: Employed in the creation of advanced organic electronic materials and display components.
• Polymer Chemistry: Acts as a monomer or functionalization agent in the synthesis of specialty polymers with tailored properties.
• Chemical Biology & Probe Development: Utilized for bioconjugation and the synthesis of molecular probes for biological research.

Basic Information

Product Name	5-Phenyl-1-Pentenylboronic Acid Pinacol Ester
CAS No.	154820-97-0
Molecular Formula	C₁₇H₂₅BO₂
Molecular Weight	272.19 g/mol
Synonyms	5-Phenyl-1-pentenylboronic acid pinacol ester; (5-Phenylpent-4-en-1-yl)boronic acid pinacol ester; 5-Phenylpent-4-en-1-ylboronic acid pinacol ester; 4-Penten-1-ylboronic acid, 5-phenyl-, pinacol ester; trans-5-Phenyl-1-pentenylboronic Acid Pinacol Ester; Boronic acid, B-(5-phenyl-1-pentenyl)-, 1,1,1',1'-tetramethyl-2,2'-bi-1,3,2-benzodioxaborole; (5-Phenylpent-4-enyl)boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Every batch of 5-Phenyl-1-Pentenylboronic Acid Pinacol Ester is manufactured and tested under strict quality management systems. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles to ensure the material meets the exacting standards required for research and commercial synthesis. Our quality commitment supports compliance with cGMP, ISO, and other relevant regulatory frameworks for our global clientele.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and ensure long-term stability. Keep the container in a cool, dry, and well-ventilated area, separate from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥95% (Typical 97-99%)
Water Content (KF)	≤0.5%

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