Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45233Generated: October 28, 2026

Hydrochloric Acid → N-tert-butyl-6-[5-oxo-4-(pyridin-3-ylmethyl)-2,5-dihydro-1H-pyrazol-1-yl]pyridine-3-sulfonamide hydrochloride

https://huagongshe.com/reaction/45233

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN-tert-butyl-6-[5-oxo-4-(pyridin-3-ylmethyl)-2,5-dihydro-1H-pyrazol-1-yl]pyridine-3-sulfonamideHCID 67454087—
SolventDichloromethaneHCID 6344—
ProductN-tert-butyl-6-[5-oxo-4-(pyridin-3-ylmethyl)-2,5-dihydro-1H-pyrazol-1-yl]pyridine-3-sulfonamide hydrochlorideHCID 86659741100%

Reaction Steps

To 912 mg of N-tert-butyl-6-[5-oxo-4-(pyridin-3-ylmethyl)-2,5-dihydro-1H-pyrazol-1-yl]pyridine-3-sulfonamide in 20 mL of DCM is added 1 eq. of HCl (4N in dioxane) and the medium is then concentrated under vacuum. 1 g of N-tert-butyl-6-[5-oxo-4-(pyridin-3-ylmethyl)-2,5-dihydro-1H-pyrazol-1-yl]pyridine-3-sulfonamide hydrochloride is obtained in the form of a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541455B2
Source datasetuspto-grants-2013_09
ORD IDord-4d4a70bf9c604312b7f574667fc18d32
Source noteuspto-grants-2013_09