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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1275799Generated: October 25, 2026

Gadolinium → Gadobutrol (JAN/USAN/INN)

https://huagongshe.com/reaction/1275799

Reaction equation

Participants

RoleNameHCIDCharge
ReactantGadoliniumHCID 23982—
Reactant1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid trisodium saltHCID 10862527—
Reactant4,4-Dimethyl-3,5,8-trioxabicyclo[5.1.0]octaneHCID 11094747—
ProductGadobutrol (JAN/USAN/INN)HCID 15814656—

Reaction Steps

The solution of 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid sodium salt is directly reacted, as described in EP 448191, with 4,4-dimethyl-3,5,8-trioxabicyclo[5.1.0]octane to give the alkylated product, which can, easily be complexed with gadolinium to give the final Gadobutrol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06162912
Source datasetuspto-grants-2000_12
ORD IDord-b5ea5c9070954433ba820550abe7823e
Source noteuspto-grants-2000_12