Description

5,6-Diaminopyridine-3-Boronic Acid Pinacol Ester, 97% is a high-purity, multi-functional organic building block that integrates a protected boronic acid group with a diaminopyridine scaffold. This compound is critical for the synthesis of complex molecules, particularly in pharmaceutical research and advanced material science, where precise molecular architecture is required. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as Suzuki-Miyaura cross-coupling reactions and the construction of heterocyclic systems.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for kinase inhibitors and other small-molecule therapeutics.
• Suzuki-Miyaura Cross-Coupling Reagent: The pinacol-protected boronic ester functionality enables efficient palladium-catalyzed cross-coupling reactions to form biaryl and heterobiaryl structures.
• Ligand Synthesis: Serves as a starting material for the preparation of sophisticated chelating ligands used in catalysis and material science.
• Agrochemical Research: Used in the discovery and development of novel crop protection agents and herbicides.
• Functional Material Development: Employed in the creation of organic electronic materials, such as those for OLEDs and sensors, due to its conjugated pyridine core.
• Chemical Biology Probes: Useful for constructing molecular probes and tags for studying biological processes.

Basic Information

Product Name	5,6-Diaminopyridine-3-Boronic Acid Pinacol Ester, 97%
CAS No.	1204334-21-3
Molecular Formula	C13H20BN3O2
Molecular Weight	261.13 g/mol
Synonyms	5,6-Diamino-3-pyridineboronic acid pinacol ester; 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-diaminopyridine; 5,6-Diaminopyridine-3-boronic acid, pinacol ester; 2-(5,6-Diaminopyridin-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 5,6-Diamino-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
EINECS	Contact for details

Quality Control

Our 5,6-Diaminopyridine-3-Boronic Acid Pinacol Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards for fine chemical production, and our quality system supports traceability and documentation for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere (e.g., nitrogen or argon) due to its hygroscopic and easily oxidized nature. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or crystalline solid
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.