Description

Ethyl 3-(Bicyclo[2.2.1]Hept-5-En-2-Yl)-3-Oxopropanoate is a specialized organic ester featuring a reactive norbornene (bicyclo[2.2.1]heptene) core, making it a valuable building block for advanced synthesis. This compound matters for its role as a key intermediate in the production of pharmaceuticals, agrochemicals, and performance polymers, where its unique strained-ring structure enables the creation of complex molecular architectures. It is primarily needed by R&D chemists and process development teams in the fine chemical, pharmaceutical, and advanced materials industries seeking to develop novel active ingredients or functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a rigid, three-dimensional norbornene scaffold for enhanced biological activity or specificity.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, where the bicyclic structure can contribute to unique modes of action and environmental persistence profiles.
• Polymer & Material Science: Acts as a functional monomer or cross-linking agent in ring-opening metathesis polymerization (ROMP) to produce specialty polymers with high thermal stability, chemical resistance, or specific optical properties.
• Fine Chemical Synthesis: Employed as a versatile synthon in organic chemistry for Diels-Alder reactions and other cycloadditions to construct complex polycyclic compounds for research and development.
• Liquid Crystal & OLED Materials: Utilized in the synthesis of advanced organic electronic materials, where its rigid core can help align molecules and improve charge transport properties.
• Adhesive & Coating Formulations: Incorporated into high-performance adhesives and coatings to enhance toughness, adhesion, and chemical resistance through polymerization or cross-linking.

Basic Information

Product Name	Ethyl 3-(Bicyclo[2.2.1]Hept-5-En-2-Yl)-3-Oxopropanoate
CAS No.	75275-66-0
Molecular Formula	C₁₂H₁₆O₃
Molecular Weight	208.25 g/mol
Synonyms	Ethyl 3-(5-Norbornen-2-yl)-3-oxopropanoate; Ethyl 3-Oxo-3-(5-norbornen-2-yl)propanoate; 3-(Bicyclo[2.2.1]hept-5-en-2-yl)-3-oxopropanoic Acid Ethyl Ester; Ethyl 3-(2-Norbornen-5-yl)-3-oxopropionate; 5-Norbornene-2-carboxylic Acid, 3-Oxo-, Ethyl Ester; Ethyl 3-(Norborn-5-ene-2-carbonyl)acetate; Ethyl (5-Norbornen-2-yl)malonate Semialdehyde; Ethyl 2-Carbethoxy-5-norbornene-2-acetate
EINECS	Contact for details

Quality Control

Our Ethyl 3-(Bicyclo[2.2.1]Hept-5-En-2-Yl)-3-Oxopropanoate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request. We adhere to cGMP principles where applicable to support our clients in regulated industries.

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 bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.