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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2297301Generated: October 30, 2026

Acetic Anhydride → N-[2-({2-[(6-amino-5-nitro(2-pyridyl))amino]ethyl}amino)-4-(2,4-dichlorophenyl)pyrimidin-5-yl]acetamide

https://huagongshe.com/reaction/2297301

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant[5-Amino-4-(2,4-dichlorophenyl) pyrimidin-2-yl]{[(6-amino-5-nitro(2-pyridyl))amino]ethyl}amineHCID 22142459—
SolventTetrahydrofuranHCID 8028—
ProductN-[2-({2-[(6-amino-5-nitro(2-pyridyl))amino]ethyl}amino)-4-(2,4-dichlorophenyl)pyrimidin-5-yl]acetamideHCID 22142528—

Reaction Steps

1 mmol of [5-amino-4-(2,4-dichlorophenyl)pyrimidin-2-yl]{2-[(6-amino-5-nitro(2-pyridyl))amino]ethyl}amine and 1 mmol of acetic anhydride were stirred at room temperature for four hours in THF. The reaction mixture was concentrated in vacuo and diluted with water and ethyl acetate. The solution was extracted three times with ethyl acetate, dried over sodium sulfate, and purified by column chromatography eluting with 5-10% methanol/methylene chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06489344B1
Source datasetuspto-grants-2002_12
ORD IDord-bdc4ea69a20e4814bfd1314bfa6173dd
Source noteuspto-grants-2002_12