Description

Bicyclo[2.2.1]Heptane, 2-Ethynyl-1,2,3,3-Tetramethyl-, (1R,2S,4S)- (9Ci) is a highly specialized, chiral organic compound featuring a rigid norbornane core with an ethynyl substituent. This unique structure makes it a valuable advanced intermediate or building block in sophisticated organic synthesis, particularly for applications requiring precise stereochemistry. It is primarily sought after by pharmaceutical R&D and fine chemical laboratories for developing novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new drug candidates, especially those targeting neurological or metabolic pathways.
• Ligand and Catalyst Development: Used to synthesize novel chiral ligands for asymmetric catalysis, enhancing the efficiency and selectivity of chemical reactions.
• Material Science Research: Acts as a precursor for developing specialty polymers or organic frameworks with unique thermal or mechanical properties.
• Agrochemical Synthesis: Employed in creating advanced, stereospecific active ingredients for crop protection products.
• Academic & Industrial R&D: A critical tool for chemists exploring new reaction methodologies and constructing complex, polycyclic molecular systems.

Basic Information

Product Name	Bicyclo[2.2.1]Heptane, 2-Ethynyl-1,2,3,3-Tetramethyl-, (1R,2S,4S)- (9Ci)
CAS No.	656801-94-4
Molecular Formula	C₁₃H₂₀
Molecular Weight	176.30 g/mol
Synonyms	(1R,2S,4S)-2-Ethynyl-1,2,3,3-tetramethylbicyclo[2.2.1]heptane; (1R,2S,4S)-2-Ethynyl-1,2,3,3-tetramethylnorbornane; 2-Ethynyl-1,2,3,3-tetramethylbicyclo[2.2.1]heptane, (1R,2S,4S)-; Chiral Tetramethyl Ethynyl Norbornane; (1R,2S,4S)-rel-2-Ethynyl-1,2,3,3-tetramethylbicyclo[2.2.1]heptane
EINECS	Contact for details

Quality Control

Our Bicyclo[2.2.1]Heptane, 2-Ethynyl-1,2,3,3-Tetramethyl-, (1R,2S,4S)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets the exacting standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and consistency for your critical synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Chiral Purity (Chiral GC/HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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