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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1973261Generated: October 28, 2026

Formaldehyde → HCID 21493487, compound

https://huagongshe.com/reaction/1973261

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantNaphthalimideHCID 66491—
Reactant1-Phenyl-1,3,8-triazaspiro(4.5)decan-4-oneHCID 70556—
SolventDimethylformamideHCID 6228—
ProductHCID 21493487HCID 21493487—

Reaction Steps

An equimolar mixture of 4-oxo-1-phenyl-1,3,8-triazaspiro-[4.5]decane, aqueous formaldehyde, and 1,8-naphthalimide is suspended in a small amount of dimethylformamide and the mixture is heated until dissolution is complete. The solution is allowed to stand at room temperature and the resulting precipitate is filtered off and dried to yield the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03996363
Source datasetuspto-grants-1976_12
ORD IDord-29bc76e927494be9aec6a824a8d76ecb
Source noteuspto-grants-1976_12