Hydrochloric Acid → 6-Chloro-1,3-benzothiazol-2-ol

HRID 223394Notes

Reaction equation

HRID 223394 reaction equation
[Cl:1][C:2]1[CH:13]=[CH:12][C:5]2[N:6]=[C:7]([O:9]CC)[S:8][C:4]=2[CH:3]=1.Cl>C1(C)C=CC=CC=1>[Cl:1][C:2]1[CH:13]=[CH:12][C:5]2[NH:6][C:7](=[O:9])[S:8][C:4]=2[CH:3]=1

Participants

4

Reactant 2

HCID 313Hydrochloric AcidHCID 205222886-Chloro-2-ethoxy-1,3-benzothiazole

Product 1

HCID 1884436-Chloro-1,3-benzothiazol-2-olYield 56%

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

Prepared analogous to Example 5 from 6-chloro-2-ethoxy-benzothiazole and concentrated hydrochloric acid with a yield of 56% of theory. M.p.: 212°-213° C. (toluene)

Sources & evidence

ORD record
ord-a293aec94fe945f3a188ae43621de17a
Source dataset
uspto-grants-1982_10
Patent number
US04353919

Reaction notes

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