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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2073609Generated: October 31, 2026

Ethyl 2-(3-nitrobenzylidene)-3-oxobutanoate → HCID 2790872, compound

https://huagongshe.com/reaction/2073609

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-(3-nitrobenzylidene)-3-oxobutanoateHCID 367507—
ReactantHCID 178509299HCID 178509299—
SolventEthanolHCID 702—
ProductHCID 2790872HCID 279087261.3%

Reaction Steps

To 50 ml of ethanol are added 2.6 g of ethyl 3-nitro-α-acetylcinnamate and 0.9 g of 5-aminotetrazole, and then heated under reflux for 16 hours. On cooling, 2 g of 6-ethoxycarbonyl-5-methyl-7-(3-nitrophenyl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine, melting at 210°-212° C., is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04918074
Source datasetuspto-grants-1990_04
ORD IDord-ba395cf0e45848e388795a40ef3449b9
Source noteuspto-grants-1990_04