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Potassium Phosphate, Tribasic → 4-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydro-isoxazole-3-yl]-2-methyl-N-(5-pyrimidinyl)benzoic acid amide

HRID 552635
Notes
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Reaction equation

HRID 552635 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:24]([F:27])([F:26])[F:25])[O:13][N:12]=[C:11]([C:14]3[CH:22]=[CH:21][C:17]([C:18]([NH2:20])=[O:19])=[C:16]([CH3:23])[CH:15]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1.Br[C:29]1[CH:30]=[N:31][CH:32]=[N:33][CH:34]=1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].CN(C)CCN>O1CCOCC1.[Cu](I)I>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:24]([F:25])([F:27])[F:26])[O:13][N:12]=[C:11]([C:14]3[CH:22]=[CH:21][C:17]([C:18]([NH:20][C:29]4[CH:30]=[N:31][CH:32]=[N:33][CH:34]=4)=[O:19])=[C:16]([CH3:23])[CH:15]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 66053N,N-DimethylethylenediamineHCID 783445-BromopyrimidineHCID 667845734-(5-(3,5-Dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)-2-methylbenzamide

Product 1

HCID 252168994-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydro-isoxazole-3-yl]-2-methyl-N-(5-pyrimidinyl)benzoic acid amide
Yield 54.8%

Reagents, catalysts & solvents 2

HCID 83717Copper iodideCatalystHCID 312751,4-DioxaneSolvent

Procedure

In a test tube for wicrowave reactor, a solution of 0.20 g of 4-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-2-methyl benzoic acid amide synthesized in Step 1 of Synthetic Example 19, 0.10 g of 5-bromopyrimidine, 4.8 mg of copper iodide, 0.21 g of potassium phosphate and 4.4 mg of N,N-dimethyl ethylene diamine in 1 mL of 1,4-dioxane was placed, and reacted by use of a microwave focused chemical synthesizer (Discover manufactured by CEM Corporation) at 120 W and 120° C. for 20 minutes. After the completion of the reaction, insoluble material was removed through silica gel column, and the solvent was distilled off under reduced pressure. The residue was purified with silica gel column chromatography that was eluated with ethyl acetate-hexane (1:1) to obtain 0.13 g of the aimed product as white crystal.

Workup

  1. customreacted by use of a microwave
  2. customat 120 W and 120° C.
  3. customfor 20 minutes
  4. customAfter the completion of the reaction, insoluble material
  5. customwas removed through silica gel column
  6. distillationthe solvent was distilled off under reduced pressure
  7. customThe residue was purified with silica gel column chromatography that

Sources & evidence

ORD record
ord-c3c8412c3cc54f18a57b562bb8a24dce
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07951828B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes