Description

9H-Carbazole, 9,9'-[5-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-1,3-Phenylene]Bis- is a high-purity, functionalized carbazole derivative featuring a central pinacol boronate ester group. This compound is a critical advanced intermediate for the synthesis of complex organic materials, particularly in the field of organic electronics. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty materials industries for constructing sophisticated molecular architectures.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: Serves as a key boronic ester building block for creating conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates that incorporate carbazole or extended π-systems for biological activity.
• Agrochemical Synthesis: Employed as a precursor for developing novel crop protection agents and herbicides with specific targeting properties.
• Ligand and Catalyst Development: Utilized to create novel ligands for transition metal catalysis or as a core structure for functional materials.
• Material Science Research: Fundamental building block for developing new organic semiconductors, hole-transport materials, and luminescent compounds.

Basic Information

Item	Detail
Product Name	9H-Carbazole, 9,9'-[5-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-1,3-Phenylene]Bis-
CAS No.	1082549-89-0
Molecular Formula	C34H33BN2O2
Molecular Weight	512.45 g/mol
Synonyms	1,3-Bis(9H-carbazol-9-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene; 9,9'-[5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-phenylene]bis-9H-carbazole; 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-di(9H-carbazol-9-yl)benzene; 1,3-Dicarbazol-9-yl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene; Carbazole Boronic Ester Pinacol; BCPB (abbreviation); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our high-purity boronic ester intermediates are manufactured under strict quality protocols. Every batch undergoes comprehensive analytical characterization, including HPLC, NMR (1H, 13C, 11B), and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with your specified requirements. Our quality system supports development under cGMP guidelines for advanced pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and easily oxidized nature, this material should be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended long-term storage temperature is 2-8°C. Allow the sealed container to equilibrate to room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Retention time corresponds to reference standard
Identification (NMR)	Spectrum consistent with reference structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%

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