Benzothiazole, 5,6-dimethoxy-2-methyl- → 2-methyl-1,3-benzothiazole-5,6-diol

HRID 1881175Notes

Reaction equation

HRID 1881175 reaction equation
C[O:2][C:3]1[C:4]([O:13]C)=[CH:5][C:6]2[S:10][C:9]([CH3:11])=[N:8][C:7]=2[CH:12]=1>Br>[CH3:11][C:9]1[S:10][C:6]2[CH:5]=[C:4]([OH:13])[C:3]([OH:2])=[CH:12][C:7]=2[N:8]=1

Participants

3

Reactant 1

HCID 112829Benzothiazole, 5,6-dimethoxy-2-methyl-

Product 1

HCID 7369402-methyl-1,3-benzothiazole-5,6-diol

Reagents, catalysts & solvents 1

HCID 260Hydrogen BromideSolvent

Procedure

5,6-Dimethoxy-2-methyl-benzothiazole (3.9 g) was refluxed with 47% hydrobromic acid (40 ml) for four hours. The solid was filtered and dried under vacuum.

Workup

  1. filtrationThe solid was filtered
  2. customdried under vacuum

Sources & evidence

ORD record
ord-eeadfb548c31404dabcabe946cb10da2
Source dataset
uspto-grants-2012_11
Patent number
US08318785B2

Reaction notes

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