Description

Spiro[1,3-Dioxolane-4,2-[6]Oxabicyclo[3.1.0]Hexane], 2,2,5,5-Tetramethyl-, (1S,2R,5S,5S)- (9Ci) is a high-purity, stereochemically defined spirocyclic compound with the CAS number 677751-94-9. This specialized chemical serves as a valuable chiral building block and intermediate in advanced organic synthesis, offering unique structural complexity and stereochemical control. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and sophisticated fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in complex molecule synthesis.
• Agrochemical Synthesis: Used in the creation of advanced, stereoselective pesticides and herbicides where specific spatial orientation is critical for bioactivity.
• Advanced Material Research: Serves as a precursor or monomer in the development of specialty polymers and materials with tailored properties.
• Asymmetric Catalysis: Employed as a ligand precursor or a chiral auxiliary in catalytic systems to induce enantioselectivity in chemical reactions.
• Academic & Industrial R&D: A valuable tool for synthetic chemists exploring new reaction methodologies and constructing complex molecular architectures.
• Fine Chemical Production: Used in the multi-step synthesis of high-value, low-volume specialty chemicals for various high-tech industries.

Basic Information

Product Name	Spiro[1,3-Dioxolane-4,2-[6]Oxabicyclo[3.1.0]Hexane], 2,2,5,5-Tetramethyl-, (1S,2R,5S,5S)- (9Ci)
CAS No.	677751-94-9
Molecular Formula	C11H18O3
Molecular Weight	198.26 g/mol
Synonyms	(1S,2R,5S,5S)-2,2,5,5-Tetramethylspiro[1,3-dioxolane-4,2'-[6]oxabicyclo[3.1.0]hexane]; Tetramethyl Spiro Dioxolane Oxabicyclohexane; Spirocyclic Dioxolane Ether; (1S,2R,5S,5S)-Isomer of CAS 677751-94-9; Chiral Spiroketal Acetal; 2,2,5,5-Tetramethyl-1,3-dioxolane-4-spiro-2'-(6'-oxabicyclo[3.1.0]hexane)
EINECS	Contact for details

Quality Control

Our production of Spiro[1,3-Dioxolane-4,2-[6]Oxabicyclo[3.1.0]Hexane], 2,2,5,5-Tetramethyl-, (1S,2R,5S,5S)- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity. All materials are characterized using advanced analytical techniques including NMR, HPLC, and chiral analysis to confirm identity, purity, and enantiomeric excess. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
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.