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

HRID 1532091Notes

Reaction equation

HRID 1532091 reaction equation
[CH2:1]([O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[C:11]1[N:19]=[C:18]2[C:14](=[N:15][CH:16]=[N:17]2)[C:13](=[O:20])[N:12]=1)[CH2:2][CH3:3].Cl[S:22]([OH:25])(=O)=[O:23].[CH3:26][NH2:27]>>[CH2:1]([O:4][C:5]1[CH:10]=[CH:9][C:8]([S:22](=[O:25])(=[O:23])[NH:27][CH3:26])=[CH:7][C:6]=1[C:11]1[N:19]=[C:18]2[C:14](=[N:15][CH:16]=[N:17]2)[C:13](=[O:20])[N:12]=1)[CH2:2][CH3:3]

Participants

4

Reactant 3

HCID 6329MethylamineHCID 24638Chlorosulfonic acidHCID 18409955HCID 18409955, compound

Product 1

HCID 212507872-(2-Propoxy-5-methylsulphamoylphenyl)purin-6-one

Procedure

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).

Sources & evidence

ORD record
ord-f4a5838f8f464563a0344c9d51b2e8e7
Source dataset
uspto-grants-2001_03
Patent number
US06200980B1

Reaction notes

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