HCID 131717624, compound → HCID 131717623, compound

HRID 373140Notes

Reaction equation

HRID 373140 reaction equation
C[O:2][C:3]1[CH:20]=[CH:19][C:6]([C:7]([C:9]2[CH:18]=[CH:17][C:12]3[N:13]=[CH:14][S:15](=[O:16])[C:11]=3[CH:10]=2)=[O:8])=[CH:5][CH:4]=1>Br.C(O)(=O)C>[OH:2][C:3]1[CH:20]=[CH:19][C:6]([C:7]([C:9]2[CH:18]=[CH:17][C:12]3[N:13]=[CH:14][S:15](=[O:16])[C:11]=3[CH:10]=2)=[O:8])=[CH:5][CH:4]=1

Participants

4

Reactant 1

HCID 131717624HCID 131717624, compound

Product 1

HCID 131717623HCID 131717623, compound

Reagents, catalysts & solvents 2

HCID 176Acetic AcidSolventHCID 260Hydrogen BromideSolvent

Procedure

0.02 mol of 6-(4-methoxybenzoyl)benzothiazolinone obtained in Example 30 are placed in a mixture of 15 cc of 47% hydrobromic acid and 15 cc of acetic acid. The mixture is refluxed with agitation for 72 hours. It is allowed to cool and the product is drained, dried, washed with water, and recrystallized from alcohol at 95° C.

Workup

  1. temperatureThe mixture is refluxed with agitation for 72 hours
  2. temperatureto cool
  3. customdried
  4. washwashed with water
  5. customrecrystallized from alcohol at 95° C.

Sources & evidence

ORD record
ord-dc193acd684c4ca2b9870c771d83ca50
Source dataset
uspto-grants-1992_11
Patent number
US05162350

Reaction notes

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