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Thiazole → 2-Chloro-4-[4-(tetrahydro-pyran-2-yloxymethyl)-2-(4-trifluoromethyl-phenyl)-thiazol-5-ylmethoxy]-benzonitrile

HRID 2233590
Notes
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Reaction equation

HRID 2233590 reaction equation
Cl[CH2:2][C:3]1[S:7][C:6]([C:8]2[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][CH:9]=2)=[N:5][C:4]=1[CH2:18][O:19][CH:20]1[CH2:25][CH2:24][CH2:23][CH2:22][O:21]1.S1C=CN=C1.C(=O)([O-])[O-].[Cs+].[Cs+].[Cl:37][C:38]1[CH:45]=[C:44]([OH:46])[CH:43]=[CH:42][C:39]=1[C:40]#[N:41]>CN(C)C=O.C(OC(=O)C)C>[Cl:37][C:38]1[CH:45]=[C:44]([O:46][CH2:2][C:3]2[S:7][C:6]([C:8]3[CH:13]=[CH:12][C:11]([C:14]([F:16])([F:17])[F:15])=[CH:10][CH:9]=3)=[N:5][C:4]=2[CH2:18][O:19][CH:20]2[CH2:25][CH2:24][CH2:23][CH2:22][O:21]2)[CH:43]=[CH:42][C:39]=1[C:40]#[N:41]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 9256ThiazoleHCID 10796Cesium carbonateHCID 5927972-Chloro-4-hydroxybenzonitrileHCID 211094595-(chloromethyl)-4-[(tetrahydro-2H-pyran-2-yloxy)methyl]-2-[4-(trifluoromethyl)phenyl]-1,3-thiazole

Product 1

HCID 592961302-Chloro-4-[4-(tetrahydro-pyran-2-yloxymethyl)-2-(4-trifluoromethyl-phenyl)-thiazol-5-ylmethoxy]-benzonitrile
Yield 105.2%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

3.0 g 5-(Chloromethyl)-4-[(tetrahydro-2H-pyran-2-yloxy)methyl]-2-[4-(trifluormethyl)phenyl]-1,3-thiazole (synthesis is described in WO2002/067912) thiazole were dissolved in 100 ml dimethylformamide. 5.0 g of cesium carbonate and 1.53 g 2-Chloro-4-hydroxybenzonitrile were added and the mixture was stirred at room temperature overnight. Then 300 ml of ethylacetate were added, the mixture washed three times with saturated NaHCO3 solution and brine then dried over MgSO4. The solvent was removed in vacuo to obtain 4.1 g of crude 2-Chloro-4-[4-(tetrahydro-pyran-2-yloxymethyl)-2-(4-trifluoromethyl-phenyl)-thiazol-5-ylmethoxy]-benzonitrile as yellow oil. This material was used without further purification.

Workup

  1. washthe mixture washed three times with saturated NaHCO3 solution and brine
  2. dry with materialthen dried over MgSO4
  3. customThe solvent was removed in vacuo

Sources & evidence

ORD record
ord-3500fc2fa63d4dfa9978e28ac6cdb6d1
Source dataset
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07709509B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes