Description

3-Azaspiro[5.5]Undec-7-Ene-3-Carboxylic Acid, 9-Oxo-, Phenylmethyl Ester is a high-purity, advanced pharmaceutical intermediate featuring a complex spirocyclic and unsaturated lactam structure. This compound is of significant value for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular architectures. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in the development of new drugs, including potential candidates for neurological and metabolic disorders.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the multi-step synthesis of complex drug molecules and proprietary APIs.
• Medicinal Chemistry Research: Used as a scaffold or building block in drug discovery programs for structure-activity relationship (SAR) studies.
• Process Chemistry Development: Employed in route scouting and optimization for the scalable production of target compounds.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and development services.
• Academic Research: Utilized in university and institutional labs for studying novel organic reactions and heterocyclic chemistry.

Basic Information

Product Name	3-Azaspiro[5.5]Undec-7-Ene-3-Carboxylic Acid, 9-Oxo-, Phenylmethyl Ester
CAS No.	189333-18-4
Molecular Formula	C17H19NO3
Molecular Weight	285.34 g/mol
Synonyms	Benzyl 9-oxo-3-azaspiro[5.5]undec-7-ene-3-carboxylate; 3-Azaspiro[5.5]undec-7-ene-3-carboxylic acid, 9-oxo-, phenylmethyl ester; 3-Carbobenzyloxy-9-oxo-3-azaspiro[5.5]undec-7-ene; 9-Oxo-3-azaspiro[5.5]undec-7-ene-3-carboxylic acid benzyl ester; Benzyl 9-oxo-3-azaspiro[5.5]undec-7-ene-3-carboxylate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Every batch is characterized and tested using advanced analytical techniques including HPLC, GC, NMR, and MS to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We support development and commercial projects requiring material that meets high-purity standards for pharmaceutical research.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to minimize moisture uptake. Recommended long-term storage temperature is 2-8°C (refrigerated).

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%
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.