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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1936674Generated: November 2, 2026

1-Propanol, sodium salt (1:1) → 7-Propoxy-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidine

https://huagongshe.com/reaction/1936674

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Propanol, sodium salt (1:1)HCID 23669363—
Reactant7-Methylsulphonyl-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidineHCID 135670752—
Product7-Propoxy-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidineHCID 135670762—

Reaction Steps

In a similar manner to Example 63 reaction of 7-methylsulphonyl-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidine (0.54 g) and sodium propoxide solution (from sodium, 0.17 g, and n-propanol, 25 ml) yielded the title compound, 0.19 g, m.p. 157-8° C. (recrystallized from n-propanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06391885B1
Source datasetuspto-grants-2002_05
ORD IDord-4bb0029a7dbc4fa8b5c2ace2eaf8e336
Source noteuspto-grants-2002_05