Description

Diethylborinic Acid 1,1-Dimethyl-3-(Trimethylsilyl)-2-Propynyl Ester is a specialized organoboron reagent featuring a protected alkynyl group, making it a valuable synthon for advanced organic synthesis. This compound is critical for researchers and process chemists developing novel pharmaceuticals, agrochemicals, and functional materials where precise boron incorporation and functional group manipulation are required. Its primary utility lies in cross-coupling reactions, hydroboration, and as a precursor to complex molecular architectures in fine chemical and R&D laboratories.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for boron-containing drug candidates.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that utilize boron chemistry.
• Material Science Research: Acts as a precursor for boron-based polymers, liquid crystals, and other advanced functional materials.
• Organic Synthesis Reagent: Employed in Suzuki-Miyaura cross-coupling reactions and other transition metal-catalyzed processes to form carbon-boron bonds.
• Academic & Industrial R&D: A valuable tool for methodology development and exploring new reaction pathways in synthetic chemistry laboratories.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	Diethylborinic Acid 1,1-Dimethyl-3-(Trimethylsilyl)-2-Propynyl Ester
CAS No.	74744-61-9
Molecular Formula	C12H25BOSi
Molecular Weight	224.23 g/mol
Synonyms	1,1-Dimethyl-3-(trimethylsilyl)-2-propynyl diethylborinate; Diethyl(1,1-dimethyl-3-trimethylsilyl-2-propynyloxy)borane; (1,1-Dimethyl-3-trimethylsilylprop-2-ynyloxy)diethylborane; 2-Propyn-1-ol, 1,1-dimethyl-3-(trimethylsilyl)-, diethylborinate; Diethylboronic Acid (1,1-Dimethyl-3-trimethylsilyl-2-propynyl) Ester
EINECS	Contact for details

Quality Control

Every batch of Diethylborinic Acid 1,1-Dimethyl-3-(Trimethylsilyl)-2-Propynyl Ester undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality assurance protocols are designed to meet the stringent requirements of research and process development. A comprehensive Certificate of Analysis (COA) detailing purity (typically by NMR or GC), identity confirmation, and impurity profile is provided with each shipment.

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 must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC or NMR)	≥ 95%
Water Content (KF)	≤ 0.5%

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