Description

2-[(Trimethylsilyl)Oxy]-2-Pentenoic Acid Trimethylsilyl Ester is a versatile organosilicon reagent featuring dual silyl protecting groups. This compound is valued for its role as a key synthetic intermediate, particularly in the protection of carboxylic acids and enols, enabling complex multi-step organic synthesis. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a protected synthon in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring selective deprotection strategies.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where its silyl groups provide stability during reaction sequences.
• Advanced Material Precursor: Acts as a building block for silicon-containing polymers, liquid crystals, and other specialty materials.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for the protection of sensitive functional groups, facilitating reactions that are incompatible with free acids or enols.
• Process Chemistry: Valued for its reproducibility and purity in scale-up processes for fine chemical manufacturing.

Basic Information

Item	Details
Product Name	2-[(Trimethylsilyl)Oxy]-2-Pentenoic Acid Trimethylsilyl Ester
CAS No.	55045-17-5
Molecular Formula	C11H24O3Si2
Molecular Weight	260.48 g/mol
Synonyms	2-(Trimethylsiloxy)-2-pentenoic Acid Trimethylsilyl Ester; 2-Pentenoic Acid, 2-[(Trimethylsilyl)oxy]-, Trimethylsilyl Ester; (E)-2-(Trimethylsiloxy)pent-2-enoic Acid Trimethylsilyl Ester; TMS Ester of 2-(TMS-oxy)-2-pentenoic Acid; Bis(trimethylsilyl) 2-(trimethylsiloxy)pent-2-enoate; 55045-17-5; 2-(Trimethylsilyloxy)pent-2-enoic acid trimethylsilyl ester
EINECS	Contact for details

Quality Control

Our production of 2-[(Trimethylsilyl)Oxy]-2-Pentenoic Acid Trimethylsilyl Ester adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and undergoes rigorous quality testing, including assay and impurity profile analysis by GC and/or HPLC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specifications is provided with every 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 area. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.