Description

4-Oxo-1,3,3-Trimethyl-7-Oxabicyclo[4.1.0]Heptane-2-Carboxylic Acid Ethyl Ester is a high-purity, specialized bicyclic oxirane derivative that serves as a critical chiral building block and intermediate in advanced organic synthesis. Its unique fused ring structure, combining oxirane and lactone functionalities, makes it a valuable precursor for synthesizing complex molecules with precise stereochemistry. This compound is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries, where it is used to construct key frameworks for active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates, particularly those requiring fused bicyclic or spirocyclic architectures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that leverage its reactive oxirane and ester groups.
• Fine Chemical Production: Serves as a versatile building block for fragrances, flavors, and advanced functional materials requiring specific three-dimensional shapes.
• Asymmetric Catalysis Research: Employed as a substrate or ligand precursor in the development of new catalytic systems for stereoselective reactions.
• Polymer Modification: The oxirane ring can be used to introduce reactive sites or cross-linking capabilities into polymer chains for specialty resins and coatings.

Basic Information

Product Name	4-Oxo-1,3,3-Trimethyl-7-Oxabicyclo[4.1.0]Heptane-2-Carboxylic Acid Ethyl Ester
CAS No.	75800-49-6
Molecular Formula	C12H18O4
Molecular Weight	226.27 g/mol
Synonyms	Ethyl 4-Oxo-1,3,3-trimethyl-7-oxabicyclo[4.1.0]heptane-2-carboxylate; 7-Oxabicyclo[4.1.0]heptane-2-carboxylic acid, 4-oxo-1,3,3-trimethyl-, ethyl ester; Ethyl 1,3,3-trimethyl-4-oxo-7-oxabicyclo[4.1.0]heptane-2-carboxylate; Trimethyloxabicycloheptanone ethyl ester; Bicyclic oxirane ester intermediate; 75800-49-6; (1R,2S,6R)-Ethyl 4-oxo-1,3,3-trimethyl-7-oxabicyclo[4.1.0]heptane-2-carboxylate (stereoisomer)
EINECS	Contact for details

Quality Control

Our 4-Oxo-1,3,3-Trimethyl-7-Oxabicyclo[4.1.0]Heptane-2-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity, GC for residual solvents, and chiral analysis to ensure stereochemical integrity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (if applicable)
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines

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