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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2287554Generated: November 3, 2026

Hydrazine hydrate (1:1) → 4-[3-(N-glycyl-N-methylamino)-2,6-dichlorobenzyloxy]-1,2-dimethyl-1H-benzimidazole

https://huagongshe.com/reaction/2287554

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactant4-[2,6-dichloro-3-[N-(phthalimidoacetyl)-N-methylamino]benzyloxy]-1,2-dimethyl-1H-benzimidazoleHCID 15462175—
SolventEthanolHCID 702—
Product4-[3-(N-glycyl-N-methylamino)-2,6-dichlorobenzyloxy]-1,2-dimethyl-1H-benzimidazoleHCID 1546217697.7%

Reaction Steps

A mixture of 4-[2,6-dichloro-3-[N-(phthalimidoacetyl)-N-methylamino]benzyloxy]-1,2-dimethyl-1H-benzimidazole (405 mg), hydrazine monohydrate (75.4 mg) and ethanol (4.0 ml) was refluxed for 30 minutes. After cooling, the resulting precipitate was filtered off, and the filtrate was concentrated in vacuo to give 4-[3-(N-glycyl-N-methylamino)-2,6-dichlorobenzyloxy]-1,2-dimethyl-1H-benzimidazole (300 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06083961
Source datasetuspto-grants-2000_07
ORD IDord-f62e319f2b294b2eb32f5e557adfb120
Source noteuspto-grants-2000_07