Description

(2R,6S,8S,9S)-1,1,9-Trimethyl-2,9-Dibromo-5-Methylene-8-Chlorospiro[5.5]Undecane is a high-purity, stereochemically defined spirocyclic organic intermediate of significant interest in advanced synthetic chemistry. Its complex polyhalogenated structure makes it a valuable and versatile building block for constructing intricate molecular architectures. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and complex natural product analogs.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the research and development of new drug candidates, particularly for creating complex, three-dimensional molecular scaffolds.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its halogenated spirocyclic core can contribute to unique biological activity and stability.
• Material Science Research: Acts as a specialized monomer or cross-linking agent in the development of novel polymers with specific structural or optical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for methodological studies in stereoselective synthesis, halogenation reactions, and the construction of spiro compounds.
• Ligand and Catalyst Development: Its rigid, multi-functional structure makes it a candidate for developing novel chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Item	Details
Product Name	(2R,6S,8S,9S)-1,1,9-Trimethyl-2,9-Dibromo-5-Methylene-8-Chlorospiro[5.5]Undecane
CAS No.	73436-46-1
Molecular Formula	C₁₅H₂₁Br₂Cl
Molecular Weight	404.59 g/mol
Synonyms	1,1,9-Trimethyl-2,9-dibromo-5-methylene-8-chlorospiro[5.5]undecane; Spiro[5.5]undecane, 1,1,9-trimethyl-2,9-dibromo-5-methylene-8-chloro-, (2R,6S,8S,9S)-; (2R,6S,8S,9S)-1,1,9-Trimethyl-2,9-dibromo-5-methylene-8-chlorospiro[5.5]undecane; Polyhalogenated Spiro[5.5]undecane Derivative
EINECS	Contact for details

Quality Control

Every batch of (2R,6S,8S,9S)-1,1,9-Trimethyl-2,9-Dibromo-5-Methylene-8-Chlorospiro[5.5]Undecane is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, GC, NMR, and chiral analysis to ensure high stereochemical purity and chemical identity. A comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles is provided with each shipment to support your R&D and quality assurance processes.

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 heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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