Description

3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Cyclopentanone is a high-value organoboron building block, specifically a cyclic ketone functionalized with a pinacol boronate ester group. This compound is critical for modern synthetic chemistry, enabling precise carbon-carbon bond formation through cross-coupling reactions. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs) via Suzuki-Miyaura cross-coupling reactions.
• Agrochemical Research: Used to create novel heterocyclic compounds for developing new herbicides, fungicides, and insecticides.
• Material Science: Serves as a precursor for organic electronic materials, such as those used in OLEDs and organic semiconductors.
• Chemical Biology: Employed in the synthesis of bioconjugates and molecular probes for drug discovery and diagnostic applications.
• Academic & Industrial R&D: A versatile reagent for methodology development and the construction of complex, functionalized cyclopentane derivatives.

Basic Information

Product Name	3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Cyclopentanone
CAS No.	379216-53-2
Molecular Formula	C11H19BO3
Molecular Weight	210.08 g/mol
Synonyms	3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopentan-1-one; 3-Cyclopentanone pinacol boronate; 3-(Pinacolatoboryl)cyclopentanone; Cyclopentanone, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-; 3-(Pinacolboron)cyclopentanone; 3-Boronocyclopentanone pinacol ester; 3-(Pinacolato)cyclopentanoneboron
EINECS	Contact for details

Quality Control

Our 3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Cyclopentanone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC analysis, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

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

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