3-Chloro-2,4-difluorophenylboronic acid pinacol ester

Name: 3-Chloro-2,4-difluorophenylboronic acid pinacol ester
Brand: ChemScene
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CAS No. 1799614-91-7
Cat. No. CS-0189428
Purity≥97%
MDL No.None

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FedEx Limited Quantities Ground	$0.00
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3-Chloro-2,4-difluorophenylboronic acid pinacol ester|CS-0189428

Structure of 1799614-91-7

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General Information

CAS No. 1799614-91-7
Cat. No. CS-0189428
Purity ≥97%
MDL No. None
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₂H₁₄BClF₂O₂
Molecular Weight 274.50
Synonym(s) 2-(3-Chloro-2,4-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
SMILES FC1=CC=C(B2OC(C)(C)C(O2)(C)C)C(F)=C1Cl

Description

3-Chloro-2,4-difluorophenylboronic acid pinacol ester features a sterically protected boronate moiety that enhances stability and simplifies handling. The electron-deficient aryl framework facilitates efficient cross-coupling reactions under mild conditions, enabling direct incorporation into complex molecular architectures with high functional group tolerance.

Application

3-Chloro-2,4-difluorophenylboronic acid pinacol ester serves as a stable, bench-ready building block for Suzuki-Miyaura cross-coupling reactions. The pinacol ester protects the boronic acid functionality, enhancing shelf life and simplifying purification. It exhibits excellent functional group tolerance, enabling efficient C–C bond formation with aryl halides and pseudohalides under mild conditions. Its utility is well-established in constructing fluorinated biaryl motifs common in pharmaceutical intermediates and agrochemical scaffolds.

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H312-H332
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P501

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Computational Chemistry Data

TPSA 18.46
LogP 2.9174
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Boronic Acid And Its Ester

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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3-Chloro-2,4-difluorophenylboronic acid pinacol ester

CAS No. 1799614-91-7

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