Methanol → HCID 89651486, compound

HRID 515946Notes

Reaction equation

HRID 515946 reaction equation
[F:1][C@:2]1([CH3:19])[C@H:6]([OH:7])[C@@:5]([F:10])([CH2:8][OH:9])[O:4][C@H:3]1[N:11]1[CH:16]=[CH:15][C:14](=[O:17])[NH:13][C:12]1=[O:18].C([Mg]Cl)(C)(C)C.Cl[C:27]1[C:36]2[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=2)[CH:30]=[CH:29][C:28]=1[O:37][P:38](=[N:40][C@@H:41]([CH3:48])[C:42]([O:44][CH:45]([CH3:47])[CH3:46])=[O:43])=[O:39].CO>C1COCC1>[CH:45]([O:44][C:42](=[O:43])[C@@H:41]([N:40]=[P:38]([O:37][C:28]1[CH:29]=[CH:30][C:31]2[C:36](=[CH:35][CH:34]=[CH:33][CH:32]=2)[C:27]=1[O:9][CH2:8][C@:5]1([F:10])[C@@H:6]([OH:7])[C@:2]([F:1])([CH3:19])[C@H:3]([N:11]2[CH:16]=[CH:15][C:14](=[O:17])[NH:13][C:12]2=[O:18])[O:4]1)=[O:39])[CH3:48])([CH3:46])[CH3:47]

Participants

6

Reactant 4

HCID 887MethanolHCID 89650387HCID 89650387, compound2×HCID 89650994HCID 89650994, compoundHCID 178418310HCID 178418310, compound2×

Product 1

HCID 89651486HCID 89651486, compoundYield 58.3%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent5×

Procedure

To a solution of chiral 1-((2R,3R,4S,5S)-3,5-difluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (60 mg, 216 μmol) prepared in Preparation 6 in THF (8 ml) was added a THF solution (Aldrich, 1 M) of tert-butylmagnesium chloride (539 μl, 539 μmol) dropwise. The mixture was stirred at room temperature for 15 min. followed by the addition of THF solution (0.5 M) of (2S)-isopropyl 2-(chloro(naphthalen-2-yloxy)phosphorylamino)propanoate (1.08 mL, 539 μmol). The reaction mixture was stirred at room temperature for 1 h, then additional THF solution (Aldrich, 1 M) of tert-butylmagnesium chloride (270 μl, 270 μmol) and THF solution (0.5 M) of (2S)-isopropyl 2-(chloro(naphthalen-2-yloxy)phosphorylamino)propanoate (0.54 mL, 270 μmol) were added. The reaction mixture was then stirred at room temperature for 18 h. Methanol (2 mL) was added to quench the reaction. The mixture was purified by flash chromatography (silica gel, 1-18% MeOH in DCM) and dried in vacuo to give the title compound as a white solid (75 mg, 58%).

Workup

  1. stirringThe reaction mixture was stirred at room temperature for 1 h
  2. stirringThe reaction mixture was then stirred at room temperature for 18 h
  3. customto quench
  4. customthe reaction
  5. customThe mixture was purified by flash chromatography (silica gel, 1-18% MeOH in DCM)
  6. customdried in vacuo

Sources & evidence

ORD record
ord-69774daacbfa44fb83c744b3b67fcb12
Source dataset
uspto-grants-2015_08
Patent number
US09108999B2

Reaction notes

Loading…