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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 456642Generated: October 30, 2026

Hydrazine hydrate (1:1) → HCID 178527562, compound

https://huagongshe.com/reaction/456642

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant5-(2-chloro-pyridine-3-carbonyl)1H-pyrrole-3-sulfonic acid benzylamideHCID 86592243—
SolventEthanolHCID 702—
ProductHCID 178527562HCID 178527562—

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 5-(2-chloro-pyridine-3-carbonyl)-1H-pyrrole-3-sulfonic acid benzylamide (100 mg), hydrazine hydrate (excess) in ethanol (10 mL) was heated at 80° C. for 48 hours. The reaction was concentrated, mixed with water, the precipitate was filtered off, the filtrate was washed with dilute HCl, water, dried and concentrated to give the titled compound as a light yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07186716B2
Source datasetuspto-grants-2007_03
ORD IDord-2a1b0aeb7f674e26a6736595803bf2a1
Source noteuspto-grants-2007_03