Description

1,7-Dioxaspiro5.5Undec-3-En-5-Ol, trans- is a specialized spirocyclic compound with a unique oxygenated structure, serving as a valuable chiral building block and intermediate in advanced organic synthesis. Its defined stereochemistry and functional groups make it crucial for constructing complex molecular architectures with high precision. This compound is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries for applications in drug discovery, asymmetric catalysis, and the development of novel fragrances and flavors.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of active pharmaceutical ingredients (APIs), particularly in projects requiring spirocyclic or oxygenated motifs.
• Asymmetric Synthesis: Utilized as a building block in catalytic asymmetric reactions to introduce stereocenters and complex ring systems into target molecules.
• Fragrance & Flavor Chemistry: Serves as a precursor for the synthesis of novel, high-value odorants and flavoring agents with unique organoleptic properties.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including advanced materials, ligands for catalysis, and complex natural product analogs.
• Academic & Industrial Research: Used in methodological studies and as a reference standard in chemical research exploring new synthetic pathways and compound libraries.

Basic Information

Product Name	1,7-Dioxaspiro5.5Undec-3-En-5-Ol, trans-
CAS No.	189508-45-0
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	trans-1,7-Dioxaspiro[5.5]undec-3-en-5-ol; (3S,5R)-1,7-Dioxaspiro[5.5]undec-3-en-5-ol; 1,7-Dioxaspiro[5.5]undec-3-en-5-ol, (3S,5R)-; Spirocyclic enol ether; 3-Hydroxy-1,7-dioxaspiro[5.5]undec-3-ene
EINECS	Contact for details

Quality Control

Our production of 1,7-Dioxaspiro5.5Undec-3-En-5-Ol, trans- adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial use. All materials are characterized using advanced analytical techniques including HPLC, GC, NMR, and chiral analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and easily oxidized; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or 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.