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Benzoyl chloride → N-[5-[[(5-ethyl-2-oxazolyl)methyl]thio]-2-thiazolyl]benzamide

HRID 1385190
Notes
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Reaction equation

HRID 1385190 reaction equation
[NH2:1][C:2]1[S:3][C:4]([S:7][CH2:8][C:9]2[O:10][C:11]([CH2:14][CH3:15])=[CH:12][N:13]=2)=[CH:5][N:6]=1.[C:16](Cl)(=[O:23])[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.C(N(CC)CC)C>C(Cl)Cl>[CH2:14]([C:11]1[O:10][C:9]([CH2:8][S:7][C:4]2[S:3][C:2]([NH:1][C:16](=[O:23])[C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)=[N:6][CH:5]=2)=[N:13][CH:12]=1)[CH3:15]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 7412Benzoyl chlorideHCID 8471TriethylamineHCID 186679822-Amino-5-[[(5-ethyl-2-oxazolyl)methyl]thio]-thiazole

Product 1

HCID 9906190N-[5-[[(5-ethyl-2-oxazolyl)methyl]thio]-2-thiazolyl]benzamideYield 59.3%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

A mixture of 2-amino-5-[[(5-ethyl-2-oxazolyl)methyl]thio]-thiazole (48.2 mg, 0.2 mmol), benzoyl chloride (24.4 mg, 0.21 mmol) and triethylamine (35 mg, 0.35 mmol) in methylene chloride (0.5 mL) was stirred at rt for 10 min. The organic solution was washed with water and concentrated. The residue was purified by a flash column (SiO2; hexanes: ethyl acetate/2:1) to afford N-[5-[[(5-ethyl-2-oxazolyl)methyl]thio]-2-thiazolyl]benzamide (41 mg, 59%) as a solid, mp 122-123° C.

Workup

  1. washThe organic solution was washed with water
  2. concentrationconcentrated
  3. customThe residue was purified by a flash column (SiO2; hexanes: ethyl acetate/2:1)

Sources & evidence

ORD record
ord-853ccc1c38a648fca115d0c718ccd9d5
Source dataset
uspto-grants-2001_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06262096B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes