Description

Bicyclo[2.2.1]Hept-2-En-7-One, 5-Ethynyl-, Endo- (9Ci) is a specialized bicyclic organic compound featuring both an enone and an ethynyl functional group, making it a versatile and highly reactive building block for advanced chemical synthesis. Its unique strained structure and functional handles are critical for constructing complex molecular architectures, particularly in pharmaceutical and advanced material research. This high-purity intermediate is essential for R&D chemists and process development scientists working on novel active pharmaceutical ingredients (APIs), agrochemicals, and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of complex drug candidates, especially those requiring rigid, three-dimensional scaffolds.
• Agrochemical Research: Used in developing novel pesticides and herbicides where the bicyclic core contributes to biological activity and environmental stability.
• Material Science: Acts as a precursor for specialty polymers, dendrimers, and cross-linking agents due to its polymerizable ethynyl and enone groups.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions and other cycloadditions to construct complex polycyclic systems in academic and industrial research.
• Ligand and Catalyst Development: Utilized for creating novel chiral ligands or organometallic complexes for asymmetric catalysis.
• Fine Chemical Production: Integral in the multi-step synthesis of high-value flavors, fragrances, and other performance chemicals.

Basic Information

Product Name	Bicyclo[2.2.1]Hept-2-En-7-One, 5-Ethynyl-, Endo- (9Ci)
CAS No.	146680-92-4
Molecular Formula	C9H8O
Molecular Weight	132.16 g/mol
Synonyms	5-Ethynylbicyclo[2.2.1]hept-2-en-7-one, endo-; 5-Ethynyl-2-norbornen-7-one; endo-5-Ethynyl-2-norbornene-7-one; 5-Ethynyl-2-norbornene-7-one, endo-; Bicyclo[2.2.1]hept-2-ene-7-one, 5-ethynyl-, endo-; 146680-92-4; endo-5-Ethynylbicyclo[2.2.1]hept-2-en-7-one
EINECS	Contact for details

Quality Control

Our Bicyclo[2.2.1]Hept-2-En-7-One, 5-Ethynyl-, Endo- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and batch-to-batch consistency suitable for demanding research and scale-up processes. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee compliance with your specific R&D or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This compound is light-sensitive and easily oxidized; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.