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Cesium carbonate → N-[2-[[(2,3-Difluorophenyl)methyl]thio]-6-[(1R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethoxy]-4-pyrimidinyl]-4-morpholinesulfonamide

HRID 1958995
Notes
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Reaction equation

HRID 1958995 reaction equation
[N:1]1([S:7]([NH2:10])(=[O:9])=[O:8])[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1.C1(P(C2CCCCC2)C2C=CC=CC=2C2C(C(C)C)=CC(C(C)C)=CC=2C(C)C)CCCCC1.C(=O)([O-])[O-].[Cs+].[Cs+].Cl[C:52]1[CH:57]=[C:56]([O:58][C@@H:59]([C@H:61]2[CH2:65][O:64][C:63]([CH3:67])([CH3:66])[O:62]2)[CH3:60])[N:55]=[C:54]([S:68][CH2:69][C:70]2[CH:75]=[CH:74][CH:73]=[C:72]([F:76])[C:71]=2[F:77])[N:53]=1.[Cl-].[NH4+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[F:77][C:71]1[C:72]([F:76])=[CH:73][CH:74]=[CH:75][C:70]=1[CH2:69][S:68][C:54]1[N:53]=[C:52]([NH:10][S:7]([N:1]2[CH2:6][CH2:5][O:4][CH2:3][CH2:2]2)(=[O:9])=[O:8])[CH:57]=[C:56]([O:58][C@@H:59]([C@H:61]2[CH2:65][O:64][C:63]([CH3:66])([CH3:67])[O:62]2)[CH3:60])[N:55]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 10796Cesium carbonateHCID 25517Ammonium ChlorideHCID 2767394-MorpholinesulfonamideHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 866198804-Chloro-2-[(2,3-difluorophenyl)methylthio]-6-{(1R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethoxy}pyrimidine

Product 1

HCID 67969381
N-[2-[[(2,3-Difluorophenyl)methyl]thio]-6-[(1R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethoxy]-4-pyrimidinyl]-4-morpholinesulfonamide

Reagents, catalysts & solvents 2

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 312751,4-DioxaneSolvent

Conditions

Temperature
100 °C

Procedure

A mixture of morpholine-4-sulfonamide (prepared according to patent WO 2004/011443, 0.239 g), tris(dibenzylideneacetone)-dipalladium (0) (33 mg), 2-dicyclohexylphosphino-2′,4′,6′-tri-isopropyl-1,1′-biphenyl (XPHOS) (17 mg), cesium carbonate (0.176 g) and 4-chloro-2-[(2,3-difluorobenzyl)thio]-6-{(1R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethoxy}pyrimidine (the product of example 45 step vi) (0.150 g) in anhydrous dioxane (6 ml) was heated at reflux in a microwave at 100° C., 300 W, open vessel with cooling for 20 min. Saturated aqueous ammonium chloride was added and the resulting mixture extracted with EtOAc. The combined organic extracts were washed with saturated aqueous sodium chloride, dried with sodium sulfate, filtered and evaporated. The residue was purified by column chromatography on silica using a 1:19 to 2:3 mixture of EtOAc and iso-hexane as eluent to give the subtitle compound as a yellow gum. Yield: 0.165 g

Workup

  1. temperaturewas heated
  2. temperature300 W, open vessel with cooling for 20 min
  3. extractionthe resulting mixture extracted with EtOAc
  4. washThe combined organic extracts were washed with saturated aqueous sodium chloride
  5. dry with materialdried with sodium sulfate
  6. filtrationfiltered
  7. customevaporated
  8. customThe residue was purified by column chromatography on silica using a 1:19
  9. additionto 2:3 mixture of EtOAc and iso-hexane as eluent

Sources & evidence

ORD record
ord-d9f2b021f86d4e28b46b4e13b9f82479
Source dataset
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08410123B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes