Description

(2S,6S,8R,9R)-2,9-Dibromo-8-Chloro-1,1,9-Trimethyl-5-Methylenespiro[5.5]Undecan-3α-Ol is a high-purity, stereochemically defined spirocyclic organic compound, valued for its unique molecular architecture and reactivity. This compound serves as a critical chiral building block and advanced intermediate in sophisticated synthetic pathways, enabling the construction of complex molecules with precise stereocontrol. It is primarily needed by pharmaceutical R&D teams and specialty chemical manufacturers engaged in developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for complex small-molecule drugs.
• Agrochemical Synthesis: Used in the creation of advanced, stereospecific pesticides and herbicides where specific spatial orientation is crucial for bioactivity.
• Asymmetric Catalysis: Serves as a precursor or ligand for chiral catalysts used in enantioselective synthesis.
• Material Science Research: Investigated as a monomer or additive for creating polymers with unique structural and optical properties.
• Academic & Industrial R&D: Employed in methodological studies and process chemistry for constructing complex spirocyclic and polycyclic frameworks.
• Fine Chemical Production: An intermediate in the multi-step synthesis of high-value specialty chemicals and flavors/fragrances.

Basic Information

Product Name	(2S,6S,8R,9R)-2,9-Dibromo-8-Chloro-1,1,9-Trimethyl-5-Methylenespiro[5.5]Undecan-3α-Ol
CAS No.	73494-22-1
Molecular Formula	C15H23Br2ClO
Molecular Weight	422.61 g/mol
Synonyms	2,9-Dibromo-8-chloro-1,1,9-trimethyl-5-methylenespiro[5.5]undecan-3α-ol; (3α,5ξ)-2,9-Dibromo-8-chloro-1,1,9-trimethyl-5-methylenespiro[5.5]undecan-3-ol; Spiro[5.5]undecan-3α-ol, 2,9-dibromo-8-chloro-1,1,9-trimethyl-5-methylene-, (2S,6S,8R,9R)-; 73494-22-1; Dibromochlorotrimethylmethylenespiroundecanol; Advanced Spirocyclic Bromo-Chloro Intermediate; Chiral Spirocyclic Alcohol Derivative
EINECS	Contact for details

Quality Control

Every batch of (2S,6S,8R,9R)-2,9-Dibromo-8-Chloro-1,1,9-Trimethyl-5-Methylenespiro[5.5]Undecan-3α-Ol is manufactured under strict quality management systems. Our products undergo rigorous analytical testing including chiral HPLC, NMR, and GC/MS to ensure identity, purity, and stereochemical integrity. Certificates of Analysis (COA) with detailed chromatographic data are available upon request for quality assurance and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). This compound may be sensitive to moisture and oxidation; consider storage under an inert atmosphere for long-term preservation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.