Description

Ethanone, 1-(2-Ethyl-4,5-Dihydro-4,5-Dimethyl-5-Oxazolyl)-, trans- (9Ci) is a specialized heterocyclic ketone compound featuring a chiral oxazoline moiety, making it a valuable chiral building block and ligand precursor in advanced organic synthesis. Its molecular architecture is critical for applications requiring precise stereochemical control and functional group manipulation. This high-purity intermediate is primarily sought by research and development laboratories, as well as production facilities, in the pharmaceutical and fine chemical industries for the synthesis of active pharmaceutical ingredients (APIs), catalysts, and complex organic molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the asymmetric synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Ligand Precursor: Used in the preparation of chiral oxazoline-based ligands for asymmetric catalysis, including hydrogenation and cyclopropanation reactions.
• Fine Chemical Synthesis: Employed as a building block for constructing complex heterocyclic compounds and natural product analogs in research settings.
• Agrochemical Research: Utilized in the development of new chiral compounds with potential biological activity for crop protection.
• Material Science: Investigated as a monomer or functional additive for creating polymers with specific optical or chiral properties.

Basic Information

Product Name	Ethanone, 1-(2-Ethyl-4,5-Dihydro-4,5-Dimethyl-5-Oxazolyl)-, trans- (9Ci)
CAS No.	88309-33-5
Molecular Formula	C9H15NO2
Molecular Weight	169.22 g/mol
Synonyms	trans-1-(2-Ethyl-4,5-dihydro-4,5-dimethyl-5-oxazolyl)ethanone; 1-(2-Ethyl-4,5-dihydro-4,5-dimethyloxazol-5-yl)ethan-1-one; (trans)-2-Ethyl-4,5-dimethyl-5-acetyl-4,5-dihydrooxazole; 5-Acetyl-2-ethyl-4,5-dimethyl-4,5-dihydrooxazole; Chiral Oxazoline Ketone; CAS 88309-33-5
EINECS	Contact for details

Quality Control

We supply Ethanone, 1-(2-Ethyl-4,5-Dihydro-4,5-Dimethyl-5-Oxazolyl)-, trans- (9Ci) in high-purity grades suitable for research and demanding synthetic applications. Our products undergo rigorous quality testing to ensure compliance with industry standards, including chiral purity assessment. A comprehensive Certificate of Analysis (COA) detailing identity, purity (by HPLC/GC), chiral excess, and impurity profile is provided with each batch to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (trans-isomer)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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