Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1029555Generated: November 1, 2026

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

https://huagongshe.com/reaction/1029555

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant5-Amino-4,6-dichloropyrimidineHCID 79434—
SolventIsopropanolHCID 3776—
Product4,5-Pyrimidinediamine, 6-chloro-HCID 78010—

Reaction Conditions

Temperature130 °C

Reaction Steps

To a cold solution of 5-amino-4,6-dichloropyrimidine (2.0 g, 12.2 mmol) in isopropanol (20 ml) was added liquid ammonia (5 ml), and the mixture was transfered into a sealed tube. The tube was heated at 130° C. for 3 hours and then cooled to room temperature. The product precipitated out was filtered and dried in vacuo. Yield 2.0 g (quantitative).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05102880
Source datasetuspto-grants-1992_04
ORD IDord-037a676b31e34e96b82913c5206ec8a7
Source noteuspto-grants-1992_04