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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1416417Generated: November 2, 2026

Dimethylformamide → HCID 178437927, compound

https://huagongshe.com/reaction/1416417

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant1H,3H,4H,5H,6H-cyclopenta(c)furan-1,3-dioneHCID 324854—
ReactantHCID 178437931HCID 178437931—
SolventWaterHCID 962—
ProductHCID 178437927HCID 17843792767.8%

Reaction Steps

To 2 ml of N,N-dimethylformamide, 200 mg of 5-ethyl-2-imino-3-[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl-1,3,4-thiadiazoline hydrochloride and 76 mg of 1-cyclopentene-1,2-dicarboxylic anhydride were added and the resulting mixture was stirred at room temperature for 2 hours. Water was added to the reaction mixture and the crystals so precipitated were collected by filtration. The crystals were washed with water and ethanol and then dried, whereby 170 mg of the title compound was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05912353
Source datasetuspto-grants-1999_06
ORD IDord-bc686ad5b3314892ba70df5eda802127
Source noteuspto-grants-1999_06