Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1637949Generated: October 29, 2026

Water → HCID 178517251, compound

https://huagongshe.com/reaction/1637949

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPiperidineHCID 8082—
Reactant1-Acetyl-3-{1-ethoxy-1-phenylmethylidene}-5-nitro-2-indolinoneHCID 54280104—
ReactantHCID 178507529HCID 178507529—
SolventDimethylformamideHCID 6228—
ProductHCID 178517251HCID 178517251—

Reaction Steps

Prepared by reacting 1-acetyl-3-{1-ethoxy-1-phenylmethylidene}-5-nitro-2-indolinone with 1.45 equivalents of 4-(4-amino-benzyl)-1H-imidazole in DMF (100° C., for 2 hours), subsequent treatment with 5 equivalents of piperidine (20° C., 1 hour) and precipitation with water.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06043254
Source datasetuspto-grants-2000_03
ORD IDord-73b7a89afed94fb184153c32be9a4367
Source noteuspto-grants-2000_03