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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1786241Generated: November 2, 2026

Hydrazine hydrate (1:1) → HCID 67549919, compound

https://huagongshe.com/reaction/1786241

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 58771148HCID 58771148—
SolventEthanolHCID 702—
ProductHCID 67549919HCID 6754991992%

Reaction Steps

As described for example 112a, (5-methyl-2-oxo-2H-pyridin-1-yl)-acetic acid ethyl ester in ethanol was reacted with hydrazine hydrate (1.2 equivalents) at rt for 16 h. The mixture was concentrated and crystallized from ethanol/diisopropylether and the compound was obtained as a white solid (yield: 92%). MS: m/e=204.1 [M+Na]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07507729B2
Source datasetuspto-grants-2009_03
ORD IDord-45e71c41ddfd47768b57c0412ff6d84f
Source noteuspto-grants-2009_03