4-Formylphenylboronic acid CAS 87199-17-5

4-Formylphenylboronic Acid (CAS 87199-17-5) Ultimate User Guide

Table of Contents

• Product Specifications & Comparative Analysis
• Applications in Modern Chemistry
• Operational Protocols & Reaction Examples
• Industry Implementation Case Studies
• Technical Consultation & Quotation

1. Product Specifications & Comparative Analysis

2. Applications in Modern Chemistry

2.1 Suzuki-Miyaura Cross-Coupling

Enables construction of biaryl systems with aldehyde functionality for subsequent derivatization. Reaction conditions typically require Pd(PPh3)4 catalyst in mixed solvent systems (THF/H2O) at 60-80°C.

2.2 Schiff Base Formation

The formyl group facilitates condensation with primary amines to create imine linkages, particularly valuable in MOF and COF synthesis. Achieves 85-92% conversion efficiency in DMF at room temperature.

2.3 Pharmaceutical Intermediates

Critical building block for tyrosine kinase inhibitor precursors. Enables introduction of both boron-containing motifs and aldehyde handles for click chemistry.

3. Operational Protocols & Reaction Examples

3.1 Standard Coupling Procedure

Charge reactor with 1eq aryl halide, 1.2eq 4-formylphenylboronic acid, 2mol% Pd catalyst. Maintain nitrogen atmosphere during 12hr reflux in degassed THF/H2O (3:1). Typical yields: 78-85% after column purification.

3.2 COF Synthesis Protocol

Combine with 1,4-phenylenediamine in mesitylene/dioxane (v/v 1:1) at 120°C for 72hrs under vacuum. Obtain crystalline frameworks with BET surface areas >1500 m²/g.

4. Industry Implementation Case Studies

4.1 Oncology Drug Development (ABC Pharma)

Challenge: Required bifunctional linker for PROTAC molecule targeting EGFR
Solution: Utilized Suzuki coupling followed by oxime ligation
Outcome: Achieved 92% protein degradation efficiency at 100nM concentration

4.2 Advanced Sensor Materials (NanoSense Technologies)

Challenge: Developing glucose-responsive hydrogel matrices
Solution: Incorporated into diol-sensitive polymeric network
Outcome: Created sensors with 0.1-10mM linear detection range

4.3 Organic Electronics (ElectroPoly Inc.)

Challenge: Synthesizing air-stable n-type semiconductors
Solution: Served as anchoring group in perylene diimide derivatives
Outcome: Achieved electron mobility of 0.35 cm²V⁻¹s⁻¹ under ambient conditions

5. Technical Consultation & Quotation

Our chemical engineering team provides:

• Custom synthesis optimization
• Scale-up support (gram to kilogram scale)
• Regulatory documentation preparation

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