Description

cis-2-(2-Buten-1-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane CAS NO 167773-12-8 is a high-purity, organoboron building block essential for advanced synthetic chemistry. This compound matters as a versatile reagent for Suzuki-Miyaura cross-coupling reactions, enabling the efficient construction of complex organic molecules. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and materials science industries for creating novel compounds and fine chemicals.

Application

• Pharmaceutical Intermediate Synthesis: A key building block for creating active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling.
• Agrochemical Development: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Material Science & OLEDs: Serves as a precursor for synthesizing organic semiconductors, light-emitting materials, and advanced polymers.
• Ligand & Catalyst Design: Employed in the development of new bidentate ligands and organometallic catalysts.
• Chemical Biology & Probe Synthesis: Utilized for labeling and modifying biomolecules for research and diagnostic applications.
• Academic & Industrial R&D: A fundamental reagent for methodology development and exploring new chemical spaces in organic synthesis.

Basic Information

Product Name	cis-2-(2-Buten-1-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	167773-12-8
Molecular Formula	C₁₀H₁₉BO₂
Molecular Weight	182.07 g/mol
Synonyms	2-Buten-1-ylboronic acid pinacol ester; (2-Butenyl)boronic acid pinacol ester; (2E)-2-Buten-1-ylboronic acid pinacol ester; cis-2-Butenylboronic acid pinacol ester; (E)-2-Buten-1-ylboronic acid pinacol ester; 4,4,5,5-Tetramethyl-2-[(E)-2-butenyl]-1,3,2-dioxaborolane; (E)-4,4,5,5-Tetramethyl-2-(2-buten-1-yl)-1,3,2-dioxaborolane
EINECS	Contact for details

Quality Control

Our cis-2-(2-Buten-1-Yl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including NMR, HPLC, and GC analysis, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

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	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Purity (NMR)	≥ 97.0%
Isomeric Purity (cis-isomer)	≥ 95.0%

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