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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 232617Generated: November 1, 2026

2,4-Diamino-5-(2,3-dichloro-4-nitrophenyl)-6-methylpyrimidine → 2,4-Diamino-5-(2,3,4-trichlorophenyl)-6-methylpyrimidine

https://huagongshe.com/reaction/232617

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-Diamino-5-(2,3-dichloro-4-nitrophenyl)-6-methylpyrimidineHCID 19705031—
ReactantChloroform methanolHCID 21584188—
CatalystCuprous chlorideHCID 62652—
Product2,4-Diamino-5-(2,3,4-trichlorophenyl)-6-methylpyrimidineHCID 19705056—

Reaction Steps

This compound was made from the compound of Example 47 by reduction to the amine (PtO2, H2, AcOH), formation of the diazonium salt (NaNO2, H2SO4), and reaction of this with CuCl (as for Example 57). Sublimes at 275° C. Homogenous on TLC (methanol/chloroform, 1:9) Rf=0.36.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05591746
Source datasetuspto-grants-1997_01
ORD IDord-a7a6ca636ab746b6bfbd470ca6112a82
Source noteuspto-grants-1997_01