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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1655981Generated: November 1, 2026

(+)-3-[4-[N-(5-Methoxychroman-3-Yl)Amino]Butyl]-2,4-Dioxo-3-Azaspiro[4.5]Decane → (+)-3-[4-[N-n-Propyl-N-(5-Methoxychroman-3-Yl)Amino]Butyl]-2,4-Dioxo-3-Azaspiro[4.5]Decane (Oxalate)

https://huagongshe.com/reaction/1655981

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(+)-3-[4-[N-(5-Methoxychroman-3-Yl)Amino]Butyl]-2,4-Dioxo-3-Azaspiro[4.5]DecaneHCID 18966575—
Reactant(4-[N-(5-Methoxy-3-chromanyl)amino]butyl}2,4-dioxo-3-azaspiro[4.5]decane oxalateHCID 131718213—
Product(+)-3-[4-[N-n-Propyl-N-(5-Methoxychroman-3-Yl)Amino]Butyl]-2,4-Dioxo-3-Azaspiro[4.5]Decane (Oxalate)HCID 18966570—

Reaction Steps

Using the procedure described in Example 29, but replacing the compound of Example 28 by the compound of Example 30, the product of the title is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05252578
Source datasetuspto-grants-1993_10
ORD IDord-3b95f4a67fe343d1853a148d8abb9d81
Source noteuspto-grants-1993_10