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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 447680Generated: October 23, 2026

Ammonia → 4,5-Pyrimidinediamine, 6-chloro-

https://huagongshe.com/en/reaction/447680

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant5-Amino-4,6-dichloropyrimidineHCID 79434—
Product4,5-Pyrimidinediamine, 6-chloro-HCID 78010—

Reaction Conditions

Temperature118 °C

Reaction Steps

A suspension of 5-Amino-4,6-dichloropyrimidine (3 g, 0.02 mol) in ammonia (25 mL, 7N/MeOH, 0.175 mole) was heated at 118° C. overnight(under pressure). The reaction was cooled to 23° C., filtered and washed with ethanol to obtain 1.92 g (70%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08481550B2
Source datasetuspto-grants-2013_07
ORD IDord-b09411bf28e54028a37863fd5808ffc7
Source noteuspto-grants-2013_07