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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2191364Generated: November 1, 2026

HCID 71724478, compound → Sitagliptin

https://huagongshe.com/reaction/2191364

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 71724478HCID 71724478—
SolventIsopropanolHCID 3776—
ProductSitagliptinHCID 4369359—

Reaction Steps

Sitagliptin sulfate crystalline Form S1 can be prepared by a process comprising forming a solution of Sitagliptin base in isopropanol; combining that 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 1:1 of Sitagliptin base to sulfuric acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329696B2
Source datasetuspto-grants-2012_12
ORD IDord-bd85c683c0c64d50b120ccaca67525a8
Source noteuspto-grants-2012_12