Description

2,4-Dioxaspiro5.5Undec-8-Ene, 3-Ethyl-, trans- is a specialized spirocyclic acetal compound with a defined stereochemistry, serving as a valuable chiral building block and intermediate in advanced organic synthesis. Its unique fused-ring structure and functional groups make it a critical precursor for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This high-purity intermediate is essential for research chemists and process development teams working on active pharmaceutical ingredients (APIs), fine chemicals, and novel material science applications where precise stereochemical control is paramount.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides with specific stereochemical requirements.
• Fine Chemical Synthesis: Serves as a versatile building block for creating specialty chemicals, flavors, and fragrances.
• Material Science: Potential monomer or cross-linking agent in the development of advanced polymers and resins.
• Academic & Industrial R&D: A valuable tool for methodological studies in asymmetric synthesis and catalysis.

Basic Information

Product Name	2,4-Dioxaspiro5.5Undec-8-Ene, 3-Ethyl-, trans-
CAS No.	74235-28-2
Molecular Formula	C11H18O2
Molecular Weight	182.26 g/mol
Synonyms	trans-3-Ethyl-2,4-dioxaspiro[5.5]undec-8-ene; 3-Ethyl-2,4-dioxaspiro[5.5]undec-8-ene, (8E)-; (8E)-3-Ethyl-2,4-dioxaspiro[5.5]undec-8-ene; 3-Ethyl-2,4-dioxaspiro[5.5]undec-8-ene, trans-; Spirocyclic acetal intermediate; Ethyl spiroacetal
EINECS	Contact for details

Quality Control

Our production of 2,4-Dioxaspiro5.5Undec-8-Ene, 3-Ethyl-, trans- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR to confirm identity, purity, and stereochemical integrity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Isomeric Purity (trans-)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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