Description

1,3,2-Dioxaborolane, 2-(2-Ethoxyethenyl)- 4,4,5,5-Tetramethyl- is a specialized organoboron reagent featuring a protected boronic ester group and an ethoxy-substituted vinyl moiety. This compound matters as a versatile and stable synthetic intermediate, enabling precise carbon-carbon bond formation in complex molecule assembly. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as Suzuki-Miyaura cross-coupling and other transition-metal catalyzed reactions.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) via cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Material Science: Serves as a monomer or precursor in the development of organic electronic materials, including OLEDs and semiconductors.
• Chemical Research: Employed in academic and industrial laboratories for methodology development and the construction of complex organic frameworks.
• Ligand & Catalyst Preparation: Useful for synthesizing sophisticated ligands and organometallic catalysts.
• Fine Chemical Production: Integral to the multi-step synthesis of high-value, low-volume specialty chemicals.

Basic Information

Item	Detail
Product Name	1,3,2-Dioxaborolane, 2-(2-Ethoxyethenyl)- 4,4,5,5-Tetramethyl-
CAS No.	1360111-87-0
Molecular Formula	C₁₀H₁₉BO₃
Molecular Weight	198.07 g/mol
Synonyms	2-(2-Ethoxyvinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; (2-Ethoxyethenyl)boronic acid pinacol ester; 2-Ethoxyvinylboronic acid pinacol ester; Vinylboronic acid pinacol ester, 2-ethoxy-; 1,3,2-Dioxaborolane, 2-(2-ethoxyethenyl)-4,4,5,5-tetramethyl-; 2-(2-Ethoxyvinyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane; (2-Ethoxyvinyl)pinacolboronate; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 1,3,2-Dioxaborolane, 2-(2-Ethoxyethenyl)- 4,4,5,5-Tetramethyl- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. All products undergo rigorous analytical testing, including NMR, HPLC, and GC analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container should be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to maintain product integrity and prevent hydrolysis.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Purity (NMR)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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