Description

1,5-Dioxaspiro[5.5]Undecane,8-Ethyl-2,4-Dimethyl-,(2R,4R,8R)-(9Ci) is a high-purity, stereochemically defined spirocyclic acetal compound. This specific enantiomer is valued for its role as a versatile chiral building block and intermediate in advanced organic synthesis, offering precise control over molecular architecture. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of complex drug candidates, particularly for central nervous system (CNS) and antiviral therapies.
• Agrochemical Synthesis: Used in the development of enantiomerically pure pesticides and herbicides, where specific stereochemistry is crucial for bioactivity and environmental safety.
• Fine Chemical Building Block: Employed in the construction of specialty chemicals, fragrances, and advanced polymers requiring specific spirocyclic motifs.
• Asymmetric Catalysis Ligand Precursor: Provides a scaffold for developing novel chiral ligands and catalysts used in stereoselective transformations.
• Academic & Industrial Research: A valuable tool for methodological studies in organic chemistry and for exploring new chemical spaces in material science.

Basic Information

Product Name	1,5-Dioxaspiro[5.5]Undecane,8-Ethyl-2,4-Dimethyl-,(2R,4R,8R)-(9Ci)
CAS No.	533914-51-1
Molecular Formula	C13H24O2
Molecular Weight	212.33 g/mol
Synonyms	(2R,4R,8R)-8-Ethyl-2,4-dimethyl-1,5-dioxaspiro[5.5]undecane; (2R,4R,8R)-8-Ethyl-2,4-dimethyl-1,5-dioxaspiro[5.5]undec-9-ene (related); Spiroacetal derivative; Chiral spiroketal; (2R,4R,8R)-EDMDU; 8-Ethyl-2,4-dimethyl-1,5-dioxaspiro[5.5]undecane (stereoisomer)
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Quality is verified through advanced analytical techniques including chiral HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profile 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 (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage under inert atmosphere, please inquire.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
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.