4,4-Pentamethylene-2-Pyrrolidinone

2-Azaspiro[4.5]decan-3-one has applications primarily in pharmaceutical research due to its relation to gabapentin and its potential role as a metabolite in biological systems. Its unique structure may provide insights into the development of new therapeutic agents targeting neurological disorders and pain management.

2-Azaspiro[4.5]decan-3-one exhibits notable biological activity, particularly as an impurity formed during the synthesis of gabapentin. It has been identified as a metabolite found in the small intestine of Mus musculus (mouse) and in the organism Nippostrongylus brasiliensis (a parasitic roundworm). While specific pharmacological effects are not extensively documented, it has shown some toxicity with an LD50 value of approximately 300 mg/kg in white mice, indicating potential risks associated with its biological activity.

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