Description

(1S,5S)-1β,8-Dimethyl-4β-(1-Methylethyl)Spiro[4.5]Deca-6,8-Diene is a high-purity, stereochemically defined spirocyclic diene compound that serves as a critical chiral building block and intermediate in advanced organic synthesis. Its unique fused-ring structure and defined stereochemistry make it invaluable for constructing complex molecular architectures with high precision. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty fragrance industries, where it is used to develop novel active ingredients and high-value fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new therapeutic agents, particularly in creating complex natural product analogs and bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its spirocyclic structure can contribute to unique modes of action and improved environmental profiles.
• Fragrance & Flavor Chemistry: Acts as a precursor for synthesizing novel musk analogs and other complex odorants with specific stereochemical notes.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored thermal or mechanical properties.
• Catalyst & Ligand Development: Utilized as a backbone for constructing novel chiral ligands and organocatalysts used in asymmetric synthesis.
• Academic & R&D Laboratories: A valuable reference standard and starting material for methodological studies in organic chemistry and total synthesis projects.

Basic Information

Product Name	(1S,5S)-1β,8-Dimethyl-4β-(1-Methylethyl)Spiro[4.5]Deca-6,8-Diene
CAS No.	89955-08-8
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	(1S,5S)-1,8-Dimethyl-4-(propan-2-yl)spiro[4.5]deca-6,8-diene; (1S-cis)-1,8-Dimethyl-4-(1-methylethyl)spiro[4.5]dec-6-ene; Spiro[4.5]deca-6,8-diene, 1,8-dimethyl-4-(1-methylethyl)-, (1S,5S)-; 1β,8-Dimethyl-4β-isopropylspiro[4.5]deca-6,8-diene
EINECS	Contact for details

Quality Control

Our (1S,5S)-1β,8-Dimethyl-4β-(1-Methylethyl)Spiro[4.5]Deca-6,8-Diene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity verification by HPLC and GC, to ensure high chemical and stereochemical purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided for each lot to guarantee traceability and batch-to-batch consistency.

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 away from strong oxidizing agents and heat sources. For long-term storage, consider inert gas atmosphere (argon/nitrogen) to maintain optimal stability.

Specification

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

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