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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1936663Generated: November 1, 2026

1-Amino-2-propanol → 7-(2-Hydroxypropylamino)-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidine

https://huagongshe.com/reaction/1936663

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Amino-2-propanolHCID 4—
Reactant7-Methylthio-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidineHCID 135522301—
SolventEthanolHCID 702—
Product7-(2-Hydroxypropylamino)-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidineHCID 13567077083.4%

Reaction Steps

In a similar manner to Example 38 reaction of 7-methylthio-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidine (0.41 g) and 1-amino-2-propanol (0.97 g) in ethanol (15 ml) for 40 hours yielded the title compound 0.37 g, m.p. 212.5-214° C. (recrystallized from methanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06391885B1
Source datasetuspto-grants-2002_05
ORD IDord-75f0314b2a8449188efa9aa68814fc86
Source noteuspto-grants-2002_05