Chlorosulfonic acid → HCID 13216997, compound

HRID 1153691Notes

Reaction equation

HRID 1153691 reaction equation
[CH3:1][C:2]1[S:15][C:5]2=[N:6][C:7]3[C:12]([C:13](=[O:14])[N:4]2[CH:3]=1)=[CH:11][CH:10]=[CH:9][CH:8]=3.[Cl:16][S:17](O)(=[O:19])=[O:18]>>[CH3:1][C:2]1[S:15][C:5]2=[N:6][C:7]3[C:12]([C:13](=[O:14])[N:4]2[CH:3]=1)=[CH:11][C:10]([S:17]([Cl:16])(=[O:19])=[O:18])=[CH:9][CH:8]=3

Participants

3

Reactant 2

HCID 24638Chlorosulfonic acidHCID 374052HCID 374052, compound

Product 1

HCID 13216997HCID 13216997, compound

Procedure

15 parts of 2-methyl-5H-thiazolo[2,3-b]quinazolin-5-one were introduced slowly into 70 parts of chlorosulfonic acid, at 20°-30° C. Stirring was continued for 12 hours, and the 2-methyl-7-chlorosulfonyl-5H-thiazolo[2,3-b]quinazolin-5-one formed was precipitated with ice water.

Sources & evidence

ORD record
ord-bb11604a97f74a52b56d810621b252a9
Source dataset
uspto-grants-1984_12
Patent number
US04486221

Reaction notes

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