Description

1-Oxa-3-Azaspiro[5.5]Undeca-7,10-Diene-2,9-Dione,4-Ethenyl-,(S)-(9Ci) is a high-value, chiral spirocyclic compound that serves as a sophisticated building block in advanced organic synthesis. Its unique molecular architecture, featuring fused heterocyclic and diene systems, makes it a critical intermediate for constructing complex molecules with precise stereochemistry. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of complex drug candidates, particularly those targeting neurological and metabolic disorders.
• Agrochemical Research: Used in the development of new-generation herbicides and pesticides with specific modes of action.
• Material Science: Serves as a monomer or cross-linking agent for creating polymers with specialized optical or mechanical properties.
• Asymmetric Catalysis: Employed as a ligand or a substrate in catalytic reactions to induce chirality in final products.
• Academic & R&D: A valuable tool for methodological studies in organic chemistry, particularly in spirocycle formation and diene chemistry.

Basic Information

Product Name	1-Oxa-3-Azaspiro[5.5]Undeca-7,10-Diene-2,9-Dione,4-Ethenyl-,(S)-(9Ci)
CAS No.	179681-01-7
Molecular Formula	C11H11NO3
Molecular Weight	205.21 g/mol
Synonyms	(S)-4-Ethenyl-1-oxa-3-azaspiro[5.5]undeca-7,10-diene-2,9-dione; (S)-4-Vinyl-1-oxa-3-azaspiro[5.5]undeca-7,10-diene-2,9-dione; 4-Ethenyl-1-oxa-3-azaspiro[5.5]undeca-7,10-diene-2,9-dione, (S)-; 179681-01-7; Spiro[5.5]undeca-7,10-diene-2,9-dione derivative; Chiral spirocyclic lactone-lactam.
EINECS	Contact for details

Quality Control

Our 1-Oxa-3-Azaspiro[5.5]Undeca-7,10-Diene-2,9-Dione,4-Ethenyl-,(S)-(9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, chiral purity (enantiomeric excess), and impurity profiles. We adhere to cGMP principles where applicable to support our clients' regulatory and quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound may be light-sensitive and should be handled under an inert atmosphere for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% e.e.
Loss on Drying	≤ 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.