Description

1,3-Cyclopentadiene,5-[(1S)-1,2,2-Trimethylpropyl]-(9Ci) CAS NO 732985-02-3 is a specialized chiral cyclopentadiene derivative, characterized by its unique sterically hindered structure. This compound serves as a high-value intermediate in advanced organic synthesis, particularly valued for its role in constructing complex molecular architectures. It is primarily utilized by pharmaceutical R&D and fine chemical sectors for the development of novel active ingredients and chiral ligands.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of complex drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Asymmetric Catalysis: Used in the development and synthesis of novel chiral ligands and organocatalysts for stereoselective reactions.
• Fine Chemical Synthesis: Employed in the production of high-value specialty chemicals, including fragrances, agrochemical intermediates, and advanced materials.
• Academic & Industrial Research: Serves as a critical reagent in methodological development and exploration of new reaction pathways in organic chemistry.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or molecular components for electronic materials.

Basic Information

Product Name	1,3-Cyclopentadiene,5-[(1S)-1,2,2-Trimethylpropyl]-(9Ci)
CAS No.	732985-02-3
Molecular Formula	C11H18
Molecular Weight	150.26 g/mol
Synonyms	5-[(1S)-1,2,2-Trimethylpropyl]-1,3-cyclopentadiene; (S)-5-(1,2,2-Trimethylpropyl)cyclopenta-1,3-diene; Chiral tert-butyl substituted cyclopentadiene; (1S)-1,2,2-Trimethylpropylcyclopentadiene
EINECS	Contact for details

Quality Control

Our production of 1,3-Cyclopentadiene,5-[(1S)-1,2,2-Trimethylpropyl]-(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and synthesis applications. All materials are characterized by advanced analytical techniques including NMR, HPLC, and chiral GC to confirm identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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