Description

tert-Butyl 2-Chloro-5-Fluoro-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Benzoate is a high-purity, advanced pharmaceutical intermediate featuring a pinacol boronate ester functional group. This compound is a critical building block in modern medicinal chemistry, enabling efficient cross-coupling reactions for the synthesis of complex bioactive molecules. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing novel chemical entities.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: Serves as a key boronic ester reagent for the palladium-catalyzed formation of carbon-carbon bonds, essential for creating biaryl and heterobiaryl structures in drug candidates.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs), particularly for molecules targeting central nervous system (CNS) disorders, oncology, and inflammatory diseases.
• Agrochemical Synthesis: Employed in the discovery and production of advanced herbicides, fungicides, and insecticides that require specific halogenated and fluorinated aromatic motifs.
• Material Science Research: Acts as a precursor for synthesizing organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or monomers for conjugated polymers.
• Chemical Biology Probes: Utilized to create tagged molecules or imaging agents for studying biological pathways and target engagement.

Basic Information

Item	Details
Product Name	tert-Butyl 2-Chloro-5-Fluoro-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Benzoate
CAS No.	1218790-25-0
Molecular Formula	C₁₇H₂₃BClFO₄
Molecular Weight	356.62 g/mol
Synonyms	2-Chloro-5-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid tert-butyl ester; tert-Butyl 2-chloro-5-fluoro-4-(pinacolatoboryl)benzoate; 2-Chloro-5-fluoro-4-(pinacolatoboryl)benzoic acid tert-butyl ester; 4-Borono-2-chloro-5-fluorobenzoic acid tert-butyl ester pinacol ester; 1218790-25-0; Benzoic acid, 2-chloro-5-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our production of tert-Butyl 2-Chloro-5-Fluoro-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Benzoate adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) with detailed chromatographic data are provided for traceability and to support your regulatory filings.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is between 2°C and 8°C for long-term stability. The container should be kept tightly sealed in a desiccator to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
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.