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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1637929Generated: November 1, 2026

Water → HCID 178481341, compound

https://huagongshe.com/reaction/1637929

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantHCID 18382709HCID 18382709—
Reactant3-(1-Ethoxy-1-phenylmethylidene)-5-nitro-2-indolinoneHCID 53734887—
SolventDimethylformamideHCID 6228—
ProductHCID 178481341HCID 178481341—

Reaction Conditions

Temperature120 °C

Reaction Steps

Prepared from 3-(1-ethoxy-1-phenylmethylidene)-5-nitro-2-indolinone and 1.5 equivalents of 2-methyl-7-amino-4,4-dimethyl-1,3-dioxo-1,2,3,4-tetrahydro-isoquinoline, melting point 169-171° C., in DMF by heating to 120° C. for 1 hour, pouring into water, filtering and washing the precipitate with MeOH and ether.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06043254
Source datasetuspto-grants-2000_03
ORD IDord-e4b8c969be56409d93c338e89eb08acb
Source noteuspto-grants-2000_03