2,6-Lutidine → 4-((tert-Butyldimethylsilyl)oxy)-3-((5-(3-fluorophenyl)-1,3-dimethyl-2,4-dioxo-3,4-dihydro-1H-pyrrolo[3,4-d]pyrimidin-6(2H)-yl)methyl)butanoic acid

HRID 2201245ノート

反応式

HRID 2201245 の反応式
FC(F)(F)S([O:6][Si:7]([C:10]([CH3:13])([CH3:12])[CH3:11])([CH3:9])[CH3:8])(=O)=O.[F:16][C:17]1[CH:18]=[C:19]([C:23]2[N:24]([CH2:36][CH:37]([CH2:42]O)[CH2:38][C:39]([O-:41])=[O:40])[CH:25]=[C:26]3[C:31]=2[C:30](=[O:32])[N:29]([CH3:33])[C:28](=[O:34])[N:27]3[CH3:35])[CH:20]=[CH:21][CH:22]=1.[Na+].N1C(C)=CC=CC=1C.Cl.N1C=CC=CC=1>C(Cl)Cl.O>[Si:7]([O:6][CH2:42][CH:37]([CH2:36][N:24]1[C:23]([C:19]2[CH:20]=[CH:21][CH:22]=[C:17]([F:16])[CH:18]=2)=[C:31]2[C:26]([N:27]([CH3:35])[C:28](=[O:34])[N:29]([CH3:33])[C:30]2=[O:32])=[CH:25]1)[CH2:38][C:39]([OH:41])=[O:40])([C:10]([CH3:11])([CH3:12])[CH3:13])([CH3:8])[CH3:9]

参加物

7

反応物 4

HCID 79372,6-Lutidine2 回HCID 123564tert-Butyldimethylsilyl trifluoromethanesulphonate2 回HCID 10176127Pyridinium chlorideHCID 86723479Sodium 4-(5-(3-fluorophenyl)-1,3-dimethyl-2,4-dioxo-3,4-dihydro-1H-pyrrolo[3,4-d]pyrimidin-6(2H)-yl)-3-(hydroxymethyl)butanoate

生成物 1

HCID 867234814-((tert-Butyldimethylsilyl)oxy)-3-((5-(3-fluorophenyl)-1,3-dimethyl-2,4-dioxo-3,4-dihydro-1H-pyrrolo[3,4-d]pyrimidin-6(2H)-yl)methyl)butanoic acid

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6344Dichloromethane溶媒3 回

実験手順

A solution of tert-butyldimethylsilyl trifluoromethanesulfonate (3.37 mL, 14.7 mmol) in DCM (5 mL) was added dropwise to a suspension of sodium 4-(5-(3-fluorophenyl)-1,3-dimethyl-2,4-dioxo-3,4-dihydro-1H-pyrrolo[3,4-d]pyrimidin-6(2H)-yl)-3-(hydroxymethyl)butanoate (1.51 g, 3.7 mmol) and 2,6-lutidine (2.57 mL, 22.0 mmol) in DCM (20 mL) at 0° C. The mixture was stirred at room temperature for 3 hours. Further portions of 2,6-lutidine (641 μL, 5.5 mmol) and tert-butyldimethylsilyl trifluoromethanesulfonate (843 μL, 3.7 mmol) were added and the mixture stirred for a further 2 hours. The reaction was diluted with DCM (50 mL), washed with water (2×25 mL) and 1M HCl(aq) (1×25 mL), the organic phase was dried over magnesium sulfate and evaporated under vacuum. The residue was suspended in methanol (25 mL) and pyridine hydrochloride (424 mg, 3.7 mmol) and water (2.5 mL) were added. The mixture was stirred at room temperature for 2 hours then concentrated under vacuum. The residue was dissolved in DCM (50 mL) and washed with 1M HCl (aq) (2×25 mL) and brine (1×25 mL). The organic phase was dried over magnesium sulfate and evaporated under vacuum. Trituration with diethyl ether afforded the title compound.

後処理

  1. stirringthe mixture stirred for a further 2 hours
  2. washwashed with water (2×25 mL) and 1M HCl(aq) (1×25 mL)
  3. dry with materialthe organic phase was dried over magnesium sulfate
  4. customevaporated under vacuum
  5. stirringThe mixture was stirred at room temperature for 2 hours
  6. concentrationthen concentrated under vacuum
  7. dissolutionThe residue was dissolved in DCM (50 mL)
  8. washwashed with 1M HCl (aq) (2×25 mL) and brine (1×25 mL)
  9. dry with materialThe organic phase was dried over magnesium sulfate
  10. customevaporated under vacuum

出典と根拠

ORDレコード
ord-df791974bc9a4e0a83b238437212ba28
出典データセット
uspto-grants-2016_06
特許番号
US09359381B2

反応ノート

読み込み中…