Description

(-)-7,7-Dimethyl-11-Methylenespiro[5.5]Undec-2-Ene-3-Carbaldehyde is a high-purity, chiral spirocyclic aldehyde intermediate of significant interest in advanced organic synthesis. Its unique and complex molecular architecture makes it a valuable building block for constructing sophisticated chemical frameworks. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fragrance sectors for the development of novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where its spirocyclic structure can contribute to unique biological activity and selectivity.
• Fragrance & Flavor Chemistry: Acts as a starting material for creating complex, woody, or ambery odorants and flavor molecules due to its terpenoid-like backbone.
• Material Science: Investigated as a monomer or cross-linking agent for producing polymers with specific optical or mechanical properties.
• Asymmetric Catalysis: Employed as a ligand precursor or a chiral test substrate in the development and screening of new asymmetric catalytic systems.
• Academic & Process Chemistry: Utilized in methodological studies and scale-up process development for complex organic molecule synthesis.

Basic Information

Product Name	(-)-7,7-Dimethyl-11-Methylenespiro[5.5]Undec-2-Ene-3-Carbaldehyde
CAS No.	19912-84-6
Molecular Formula	C₁₅H₂₂O
Molecular Weight	218.33 g/mol
Synonyms	(-)-7,7-Dimethyl-11-methylenespiro[5.5]undec-2-ene-3-carboxaldehyde; (3S)-7,7-Dimethyl-11-methylenespiro[5.5]undec-2-ene-3-carbaldehyde; Spiro[5.5]undec-2-ene-3-carbaldehyde, 7,7-dimethyl-11-methylene-, (3S)-; (S)-7,7-Dimethyl-11-methylenespiro[5.5]undec-2-ene-3-carbaldehyde; Chiral Spiro Aldehyde; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our (-)-7,7-Dimethyl-11-Methylenespiro[5.5]Undec-2-Ene-3-Carbaldehyde is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high chemical and enantiomeric purity suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

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) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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