Description

Ethanone, 1-(2-Ethyl-4,5-Dihydro-4-Methyl-5-Oxazolyl)-, cis- (9Ci) CAS NO 88309-24-4 is a specialized heterocyclic ketone compound featuring a cis-configured oxazoline ring. This chemical is valued for its role as a versatile chiral building block and ligand precursor in advanced organic synthesis. It is primarily sought by research and development teams in the pharmaceutical and fine chemical industries for applications requiring high stereochemical control, such as in asymmetric catalysis and the synthesis of complex bioactive molecules.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs).
• Asymmetric Catalysis: Used as a precursor for chiral ligands and catalysts in stereoselective synthesis.
• Fine Chemical Synthesis: Employed in the construction of complex organic molecules for agrochemicals and specialty materials.
• Academic & Industrial Research: A valuable reagent for methodological development in organic and medicinal chemistry.
• Ligand Synthesis: Acts as a core structure for developing novel oxazoline-based ligands for metal complexes.

Basic Information

Product Name	Ethanone, 1-(2-Ethyl-4,5-Dihydro-4-Methyl-5-Oxazolyl)-, cis- (9Ci)
CAS No.	88309-24-4
Molecular Formula	C8H13NO2
Molecular Weight	155.19 g/mol
Synonyms	1-(2-Ethyl-4,5-dihydro-4-methyl-5-oxazolyl)ethanone, cis-; cis-1-(2-Ethyl-4-methyl-4,5-dihydrooxazol-5-yl)ethanone; 2-Ethyl-4-methyl-4,5-dihydrooxazol-5-yl methyl ketone, cis-; (4R,5S)- or (4S,5R)-2-Ethyl-4-methyl-4,5-dihydrooxazole-5-acetic acid methyl ketone derivative; Chiral oxazoline ketone; CAS 88309-24-4.
EINECS	Contact for details

Quality Control

Our Ethanone, 1-(2-Ethyl-4,5-Dihydro-4-Methyl-5-Oxazolyl)-, cis- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure high chemical and isomeric purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (cis-isomer)
Water Content (KF)	≤ 0.5%

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