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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 226289Generated: October 31, 2026

Hydrochloric Acid → Milveterol

https://huagongshe.com/reaction/226289

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantTetrafluoro-m-phenylenediamine dihydrochlorideHCID 149026—
ReactantMilveterolHCID 9892481—
SolventWaterHCID 962—
ProductMilveterolHCID 9892481—
ProductMilveterol hydrochlorideHCID 11225217—

Reaction Steps

In a scintillation vial, water (10 mL) was added to the dihydrochloride salt of compound 1 (402 mg, 0.79 mmol) to form a slurry. The pH was adjusted with 1.0 N NaOH and 1.0 N HCl to 5.09 and the slurry was stirred for 48 h. The pH of the slurry was measured at 5.57. The slurry was vacuum filtered using a Büchner funnel and the filter paper was removed and allowed to air dry for 3 days to yield the monohydrochloride salt of compound 1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07557247B2
Source datasetuspto-grants-2009_07
ORD IDord-c88a00bb045149c9b6ae5faf79fe3649
Source noteuspto-grants-2009_07