Description

2-(Dibenzo[B,D]Thiophen-2-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-purity boronic ester derivative, a critical building block in modern synthetic organic chemistry. Its primary value lies in enabling efficient Suzuki-Miyaura cross-coupling reactions, a cornerstone technology for constructing complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, particularly for creating novel organic semiconductors and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, especially those containing dibenzothiophene cores for oncology and CNS applications.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a crucial building block for electron-transport and host materials in display and lighting technologies.
• Agrochemical Synthesis: Used in creating advanced active ingredients for crop protection with enhanced efficacy.
• Polymer Chemistry: Enables the incorporation of dibenzothiophene units into conjugated polymers for electronic and optoelectronic devices.
• Material Science Research: Fundamental reagent for developing new organic semiconductors and charge-transport materials.
• Cross-Coupling Reactions: A reliable boron reagent for palladium-catalyzed Suzuki-Miyaura couplings to form biaryl and heterobiaryl structures.

Basic Information

Product Name	2-(Dibenzo[B,D]Thiophen-2-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	890042-21-4
Molecular Formula	C20H21BO2S
Molecular Weight	336.26 g/mol
Synonyms	2-(Dibenzo[b,d]thiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Dibenzo[b,d]thiophen-2-ylboronic acid pinacol ester; 2-Dibenzo[b,d]thiophenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 2-(Dibenzo[b,d]thiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Dibenzo[b,d]thiophene-2-boronic acid pinacol ester; 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)dibenzo[b,d]thiophene; Pinacol dibenzothiophen-2-ylboronate
EINECS	Contact for details

Quality Control

Our 2-(Dibenzo[B,D]Thiophen-2-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, typically ≥97% (HPLC). Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support compliance with relevant research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	< 0.5%

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