Dimethyl Sulfoxide → 4'-{[6-ethyl-3-[2-(4-methoxyphenyl)-1-methyl-2-oxoethyl]-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl]methyl}biphenyl-2-carbonitrile

HRID 1889368Notes

Reaction equation

HRID 1889368 reaction equation
C(Cl)(=O)C(Cl)=O.CS(C)=O.[CH2:11]([C:13]1[S:50][C:16]2[N:17]([CH2:35][C:36]3[CH:41]=[CH:40][C:39]([C:42]4[C:43]([C:48]#[N:49])=[CH:44][CH:45]=[CH:46][CH:47]=4)=[CH:38][CH:37]=3)[C:18](=[O:34])[N:19]([CH:22]([CH3:33])[CH:23]([OH:32])[C:24]3[CH:29]=[CH:28][C:27]([O:30][CH3:31])=[CH:26][CH:25]=3)[C:20](=[O:21])[C:15]=2[CH:14]=1)[CH3:12].C(N(CC)CC)C>C(Cl)Cl>[CH2:11]([C:13]1[S:50][C:16]2[N:17]([CH2:35][C:36]3[CH:37]=[CH:38][C:39]([C:42]4[C:43]([C:48]#[N:49])=[CH:44][CH:45]=[CH:46][CH:47]=4)=[CH:40][CH:41]=3)[C:18](=[O:34])[N:19]([CH:22]([CH3:33])[C:23]([C:24]3[CH:25]=[CH:26][C:27]([O:30][CH3:31])=[CH:28][CH:29]=3)=[O:32])[C:20](=[O:21])[C:15]=2[CH:14]=1)[CH3:12]

Participants

6

Reactant 4

HCID 679Dimethyl SulfoxideHCID 8471TriethylamineHCID 65578Oxalyl chlorideHCID 593517204'-{[6-ethyl-3-[2-hydroxy-2-(4-methoxyphenyl)-1-methylethyl]-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl]methyl}biphenyl-2-carbonitrile

Product 1

HCID 593517814'-{[6-ethyl-3-[2-(4-methoxyphenyl)-1-methyl-2-oxoethyl]-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl]methyl}biphenyl-2-carbonitrileYield 40%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent3×

Procedure

To a mixture of oxalylchloride (0.12 mL) and methylene chloride (10 mL) were added a solution (5 mL) of dimethyl sulfoxide (0.096 mL) in methylene chloride and a solution (5 mL) of 4′-{[6-ethyl-3-[2-hydroxy-2-(4-methoxyphenyl)-1-methylethyl]-2,4-dioxo-3,4-dihydrothieno[2,3-d]pyrimidin-1(2H)-yl]methyl}biphenyl-2-carbonitrile (0.68 g) in methylene chloride at −78° C., and the mixture was stirred at the same temperature for 15 min. Triethylamine (0.86 mL) was added, and the mixture was allowed to warm to room temperature. The reaction mixture was washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography to give the title compound as colorless crystals (0.27 g, 40%).

Workup

  1. washThe reaction mixture was washed with water and saturated brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. customThe solvent was evaporated under reduced pressure
  4. customThe obtained residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-c8f90fde06f449bb9925237e7843bc92
Source dataset
uspto-grants-2013_08
Patent number
US08501750B2

Reaction notes

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