Description

2-(2,5-Dibromo-3-Thienyl)-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 core value lies in enabling precise carbon-carbon bond formation via 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 who require reliable, high-quality intermediates for drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing functionalized thiophene cores.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that require specific halogenated heterocyclic structures.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials and emissive layer components in display and lighting technologies.
• Polymer & Material Science: Employed to create novel conjugated polymers and organic semiconductors for electronic applications.
• Ligand & Catalyst Development: Utilized in the preparation of specialized ligands and organometallic catalysts for asymmetric synthesis.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D for exploring new synthetic pathways and molecular architectures.

Basic Information

Product Name	2-(2,5-Dibromo-3-Thienyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	942070-22-6
Molecular Formula	C10H14BBr2O2S
Molecular Weight	380.90 g/mol
Synonyms	2,5-Dibromo-3-thienylboronic acid pinacol ester; 2,5-Dibromothiophene-3-boronic acid pinacol ester; (2,5-Dibromo-3-thienyl)boronic acid pinacol ester; 2,5-Dibromo-3-thiopheneboronic acid pinacol ester; 2-(2,5-Dibromothiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3,4-Dibromo-2-thienylboronic acid pinacol ester; Pinacol (2,5-dibromo-3-thienyl)boronate
EINECS	Contact for details

Quality Control

Our 2-(2,5-Dibromo-3-Thienyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistent performance for critical coupling reactions. Certificates of Analysis (COA) with full traceability are provided to guarantee compliance with your research and production specifications.

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 material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to maintain optimal reactivity.

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.