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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2191361Generated: November 4, 2026

HCID 71724478, compound → Sitagliptin

https://huagongshe.com/reaction/2191361

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 71724478HCID 71724478—
SolventAcetonitrileHCID 6342—
ProductSitagliptinHCID 4369359—

Reaction Steps

Sitagliptin sulfate crystalline Form S2 can be prepared by a process comprising forming a solution of Sitagliptin base in acetonitrile; combining the solution with sulfuric acid to form a precipitate; and isolating the obtained precipitate. Preferably, the sulfuric acid is used at a mol ratio of about 1:0.5 of Sitagliptin base to sulfuric acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329696B2
Source datasetuspto-grants-2012_12
ORD IDord-403422a89ef24790842feea431e49d53
Source noteuspto-grants-2012_12