Hydrochloric Acid → 4-chlorobenzothiazol-2(3H)-one

HRID 223400

Reaction equation

HRID 223400 reaction equation
[Cl:1][C:2]1[C:7]2[N:8]=[C:9]([O:11]C)[S:10][C:6]=2[CH:5]=[CH:4][CH:3]=1.Cl>ClCCCl>[Cl:1][C:2]1[C:7]2[NH:8][C:9](=[O:11])[S:10][C:6]=2[CH:5]=[CH:4][CH:3]=1

Participants

4

Reactant 2

HCID 313Hydrochloric AcidHCID 41419694-Chloro-2-methoxybenzothiazole

Product 1

HCID 944944-chlorobenzothiazol-2(3H)-oneYield 26%

Reagents, catalysts & solvents 1

HCID 111,2-DichloroethaneSolvent

Procedure

Prepared analogous to Example 5 from 4-chloro-2-methoxy-benzothiazole and concentrated hydrochloric acid with a yield of 26% of theory. M.p.: 205°-206° C. (from 1,2-dichloro-ethane)

Sources & evidence

ORD record
ord-cf6d77f4f6a44caf89bf48f42787bf15
Source dataset
uspto-grants-1982_10
Patent number
US04353919

Linked notes

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