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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1682476Generated: November 2, 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/1682476

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 numberUS05635507
Source datasetuspto-grants-1997_06
ORD IDord-3ba76b4316dc42e9b542e62535b04a5c
Source noteuspto-grants-1997_06