Epichlorohydrin → 4-(3-Chloro-phenyl)-2-(6-oxiranylmethoxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid amide

HRID 1667756

Reaction equation

HRID 1667756 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[N:9]=[C:10]([N:16]3[C:20]4[CH:21]=[C:22]([OH:25])[CH:23]=[CH:24][C:19]=4[N:18]=[CH:17]3)[S:11][C:12]=2[C:13]([NH2:15])=[O:14])[CH:5]=[CH:6][CH:7]=1.C(=O)([O-])[O-].[K+].[K+].Cl[CH2:33][CH:34]1[CH2:36][O:35]1>[I-].[K+].CN(C)C=O>[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[N:9]=[C:10]([N:16]3[C:20]4[CH:21]=[C:22]([O:25][CH2:33][CH:34]5[CH2:36][O:35]5)[CH:23]=[CH:24][C:19]=4[N:18]=[CH:17]3)[S:11][C:12]=2[C:13]([NH2:15])=[O:14])[CH:5]=[CH:6][CH:7]=1

Participants

6

Reactant 3

HCID 7835EpichlorohydrinHCID 11430Potassium CarbonateHCID 674454984-(3-Chloro-phenyl)-2-(6-hydroxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid amide

Product 1

HCID 866428344-(3-Chloro-phenyl)-2-(6-oxiranylmethoxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid amideYield 75%

Reagents, catalysts & solvents 2

HCID 4875Potassium IodideCatalystHCID 6228DimethylformamideSolvent

Procedure

A mixture of 0.037 g (0.1 mmole) of 4-(3-chloro-phenyl)-2-(6-hydroxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid amide (I.25d), 0.5 mL of dimethylformamide, 0.069 g (0.5 mmole) of potassium carbonate, 0.001 g of potassium iodide and 0.012 mL (0.15 mmole) of 2-chloromethyl-oxirane was heated at 100 degrees for 3 hours. The mixture was concentrated under reduced pressure, diluted with 20 mL of water and the resulting precipitate collected by filtration. The solid was triturated with diethyl ether to give 0.032 g of 4-(3-chloro-phenyl)-2-(6-oxiranylmethoxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid amide (I.39a) as a white solid.

Workup

  1. temperaturewas heated at 100 degrees for 3 hours
  2. concentrationThe mixture was concentrated under reduced pressure
  3. additiondiluted with 20 mL of water
  4. filtrationthe resulting precipitate collected by filtration
  5. customThe solid was triturated with diethyl ether

Sources & evidence

ORD record
ord-43e8fccbc30f4b768f6fca37b6fdf341
Source dataset
uspto-grants-2011_10
Patent number
US08044213B2

Linked notes

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