Description

3-Ethoxy-1,8-Dioxo-9-Phenylseleno-2-Oxaspiro[4.5]Dec-6-Ene-3-Carboxylic Acid Ethyl Ester is a specialized organoselenium compound featuring a complex spirocyclic and unsaturated lactone structure. This advanced synthetic intermediate is valued for its unique reactivity, particularly in selenium-mediated organic transformations and the construction of complex molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and fine chemical industries for the synthesis of novel bioactive molecules and complex natural product analogs.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates and complex bioactive molecules.
• Organoselenium Chemistry Research: Essential reagent for studying selenium-mediated cyclization, oxidation, and functional group transfer reactions.
• Natural Product Synthesis: Used in the stereoselective construction of complex spirocyclic and lactone-containing natural product cores.
• Methodology Development: Serves as a model substrate for developing new catalytic and stoichiometric synthetic methodologies in academic and industrial R&D.
• Fine Chemical Production: Intermediate in the multi-step synthesis of high-value, low-volume specialty chemicals.

Basic Information

Item	Detail
Product Name	3-Ethoxy-1,8-Dioxo-9-Phenylseleno-2-Oxaspiro[4.5]Dec-6-Ene-3-Carboxylic Acid Ethyl Ester
CAS No.	67136-04-3
Molecular Formula	C21H24O6Se
Molecular Weight	467.37 g/mol
Synonyms	Ethyl 3-Ethoxy-1,8-dioxo-9-phenylseleno-2-oxaspiro[4.5]dec-6-ene-3-carboxylate; 9-Phenylseleno-3-ethoxy-1,8-dioxo-2-oxaspiro[4.5]dec-6-ene-3-carboxylic Acid Ethyl Ester; 3-Carbethoxy-3-ethoxy-9-phenylseleno-1,8-dioxo-2-oxaspiro[4.5]dec-6-ene; Spiro[4.5]dec-6-ene-3-carboxylic acid derivative
EINECS	Contact for details

Quality Control

Our production of 3-Ethoxy-1,8-Dioxo-9-Phenylseleno-2-Oxaspiro[4.5]Dec-6-Ene-3-Carboxylic Acid Ethyl Ester adheres to strict internal quality standards to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized using advanced analytical techniques, including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profile is provided with every 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). This compound is light-sensitive and should be handled under an inert atmosphere when appropriate to maintain stability.

Specification

Item	Specification
Appearance	Off-white to pale yellow solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95%
Melting Point	Contact for details

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