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

HRID 1958964Notes

Reaction equation

HRID 1958964 reaction equation
[CH3:1][S:2]([NH2:5])(=[O:4])=[O:3].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:47]1[CH:52]=[C:51]([O:53][C@@H:54]([C@H:56]2[CH2:60][O:59][C:58]([CH3:62])([CH3:61])[O:57]2)[CH3:55])[N:50]=[C:49]([S:63][CH2:64][C:65]2[CH:70]=[CH:69][CH:68]=[C:67]([F:71])[C:66]=2[F:72])[N:48]=1>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:72][C:66]1[C:67]([F:71])=[CH:68][CH:69]=[CH:70][C:65]=1[CH2:64][S:63][C:49]1[N:48]=[C:47]([NH:5][S:2]([CH3:1])(=[O:4])=[O:3])[CH:52]=[C:51]([O:53][C@@H:54]([C@H:56]2[CH2:60][O:59][C:58]([CH3:61])([CH3:62])[O:57]2)[CH3:55])[N:50]=1

Participants

7

Reactant 4

HCID 10796Cesium carbonateHCID 72879MethanesulfonamideHCID 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 67051274N-[2-[[(2,3-difluorophenyl)methyl]thio]-6-[(1R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethoxy)-4-pyrimidinyl]-methanesulfonamide

Reagents, catalysts & solvents 2

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

Procedure

A mixture of methanesulfonamide (0.11 g), tris(dibenzylideneacetone)dipalladium (0) (26 mg), 2-dicyclohexylphosphino-2′,4′,6′-tri-isopropyl-1,1′-biphenyl (XPHOS) (14 mg), cesium carbonate (0.14 g) and 4 chloro-2-[[(2,3-difluorophenyl)methyl]thio]-6-[(1R)-1-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]ethoxy]-pyrimidine (the subtitle product of example 45 step v) (0.12 g) in dioxane (6 mL) was heated at reflux in a microwave at 100° C., 300 W, open vessel with cooling for 15 min. Saturated aqueous ammonium chloride was added and the resulting mixture extracted with ethyl acetate. The combined organic extracts were washed with brine, dried (MgSO4), filtered and evaporated. The residue was purified by column chromatography on silica gel using EtOAc/isohexane (1:19 to 3:7 gradient) as eluent to give the subtitle compound as a yellow oil. Yield: 0.12 g.

Sources & evidence

ORD record
ord-8b66cf97a095436c826a4c5ff4fc7216
Source dataset
uspto-grants-2013_04
Patent number
US08410123B2

Reaction notes

Loading…