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Bromine → N-{7-[bis-(4-methyl-benzyl)-amino]-4-methoxy-benzothiazol-2-yl}-benzamide

HRID 51863
Notes
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Reaction equation

HRID 51863 reaction equation
[C:1]([NH:9][C:10]([NH:12][C:13]1[CH:18]=[C:17]([N:19]([CH2:28][C:29]2[CH:34]=[CH:33][C:32]([CH3:35])=[CH:31][CH:30]=2)[CH2:20][C:21]2[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][CH:22]=2)[CH:16]=[CH:15][C:14]=1[O:36][CH3:37])=[S:11])(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.BrBr>C(Cl)(Cl)Cl.C(OCC)(=O)C>[CH3:35][C:32]1[CH:31]=[CH:30][C:29]([CH2:28][N:19]([CH2:20][C:21]2[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][CH:22]=2)[C:17]2[C:18]3[S:11][C:10]([NH:9][C:1](=[O:8])[C:2]4[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=4)=[N:12][C:13]=3[C:14]([O:36][CH3:37])=[CH:15][CH:16]=2)=[CH:34][CH:33]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 24408BromineHCID 220157381-Benzoyl-3-{5-[bis-(4-methyl-benzyl)-amino]-2-methoxy-phenyl}-thiourea

Product 1

HCID 22015745N-{7-[bis-(4-methyl-benzyl)-amino]-4-methoxy-benzothiazol-2-yl}-benzamideYield 58.3%

Reagents, catalysts & solvents 2

HCID 6212ChloroformSolventHCID 8857Ethyl Acetate
Solvent

Procedure

To a stirred solution of 500 mg (0.98 mmol) 1-benzoyl-3-{5-[bis-(4-methyl-benzyl)-amino]-2-methoxy-phenyl}-thiourea in 7 ml chloroform was added dropwise 0.050 ml (0.98 mmol) bromine and the reaction mixture heated at reflux for 18 hours. The mixture was then diluted with ethyl acetate and washed with water and then with brine. The organic phase was dried over sodium sulfate and concentrated in vacuo. Flash chromatography (ethyl acetate/hexane) afforded 290 mg (58%) N-{7-[bis-(4-methyl-benzyl)-amino]-4-methoxy-benzothiazol-2-yl}-benzamide as a yellow solid. ES-MS m/e (%): 394 (M+Na+, 14), 508 (M+H+, 100).

Workup

  1. temperaturethe reaction mixture heated
  2. temperatureat reflux for 18 hours
  3. washwashed with water
  4. dry with materialThe organic phase was dried over sodium sulfate
  5. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-9c17279ce9d6494aaa7c21c2479eadb7
Source dataset
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06713499B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes