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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 236012Generated: October 25, 2026

Ethyl 2-cyano-2-(hydroxyimino)acetate → 7-AMINO-1-[(4-CHLOROPHENYL)METHYL]-2,3-DIHYDRO-6-NITROSOIMIDAZO-[1,2-a]PYRIMIDIN-5-(1H)-ONE

https://huagongshe.com/reaction/236012

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-cyano-2-(hydroxyimino)acetateHCID 6399078—
Reactant1-[(4-Chlorophenyl)methyl]-4,5-dihydro-1H-imidazol-2-amine hydrochlorideHCID 20217712—
Product7-AMINO-1-[(4-CHLOROPHENYL)METHYL]-2,3-DIHYDRO-6-NITROSOIMIDAZO-[1,2-a]PYRIMIDIN-5-(1H)-ONEHCID 13391420—

Reaction Steps

The product of Procedure 91 was condensed with ethyl oximinocyanoacetate according to the method described in Procedure 1. The crude product, 1.6 g., from 2.9 g. of the product of Procedure 91, was a blue solid, m.p. 273°-275° d, recrystallized from dimethylformamide, m.p. 290°-291° d.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04642345
Source datasetuspto-grants-1987_02
ORD IDord-cced221111dc4956830f74cca61be129
Source noteuspto-grants-1987_02