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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1856189Generated: November 3, 2026

Water → HCID 54455049, compound

https://huagongshe.com/reaction/1856189

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantAcetic AnhydrideHCID 7918—
Reactant1-Methyl-5-nitro-1H-imidazole-2-carbaldehydeHCID 78487—
Reactant1,3,4-Thiadiazole, 2-methyl-5-phenyl-HCID 97425—
CatalystZincchlorideHCID 3007855—
SolventAcetic AcidHCID 176—
ProductHCID 54455049HCID 5445504955.9%

Reaction Steps

17.6 g of 2-methyl-5-phenyl-1,3,4-thiadiazole, 15.5 g of 1-methyl-5-nitroimidazole-2-carboxaldehyde and 0.5 g of ZnCl2 are heated in 100 ml of acetic acid and 50 ml of acetic anhydride for 7 hours at reflux temperature. After water has been added to the reaction mixture, the precipitated solid is recrystallized from glacial acetic acid. 17.5 g of a product melting at 257° C. is obtained, corresponding to 56% of the theory.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04218460
Source datasetuspto-grants-1980_08
ORD IDord-4b151c84c3864758af5e4ae1bc42281a
Source noteuspto-grants-1980_08