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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1532091Generated: November 1, 2026

Methylamine → 2-(2-Propoxy-5-methylsulphamoylphenyl)purin-6-one

https://huagongshe.com/reaction/1532091

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantChlorosulfonic acidHCID 24638—
ReactantHCID 18409955HCID 18409955—
Product2-(2-Propoxy-5-methylsulphamoylphenyl)purin-6-oneHCID 21250787—

Reaction Steps

In a similar manner to Example 49 reaction of 2-(2-propoxyphenyl)purin-6-one (0.81 g) with chlorosulphonic acid (4.5 ml), followed by reaction with methylamine in industrial methylated spirit (33%, 50 ml) yielded the title compound, 0.49 g, m.p. 245-246° C. (recrystallised twice from aqueous ethanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06200980B1
Source datasetuspto-grants-2001_03
ORD IDord-f4a5838f8f464563a0344c9d51b2e8e7
Source noteuspto-grants-2001_03