Lithium Hydroxide → (4S,5S)-4-(3,5-difluorobenzyl)-5-((2R,4S)-1-benzhydryl-4-hydroxypyrrolidin-2-yl)oxazolidin-2-one

HRID 132946Notes

Reaction equation

HRID 132946 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([CH:21]=[C:22]([F:24])[CH:23]=1)[CH2:5][C@H:6]1[C@@H:10]([C@H:11]2[CH2:15][C@@H:14]([O:16]CC=C)[CH2:13][NH:12]2)[O:9][C:8](=[O:20])[NH:7]1.N[C@@H](CC1C=C(F)C=C(F)C=1)[C@@H]([C@H]1COCCN1[CH:35]([C:42]1[CH:47]=[CH:46][CH:45]=[CH:44][CH:43]=1)[C:36]1[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=1)O.FC1C=C(C=C(F)C=1)C[C@H]1[C@@H]([C@H]2CCCCN2C(C2C=CC=CC=2)C2C=CC=CC=2)OC(=O)N1.[Li+].[OH-]>CCO.O>[F:1][C:2]1[CH:3]=[C:4]([CH:21]=[C:22]([F:24])[CH:23]=1)[CH2:5][C@H:6]1[C@@H:10]([C@H:11]2[CH2:15][C@H:14]([OH:16])[CH2:13][N:12]2[CH:35]([C:36]2[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=2)[C:42]2[CH:47]=[CH:46][CH:45]=[CH:44][CH:43]=2)[O:9][C:8](=[O:20])[NH:7]1

Participants

7

Reactant 4

HCID 3939Lithium HydroxideHCID 59733914(1S,2S)-2-Amino-1-((R)-4-benzhydrylmorpholin-3-yl)-3-(3,5-difluorophenyl)propan-1-olHCID 67316146(4S,5R)-4-(3,5-difluorobenzyl)-5-((2R,4R)-4-(allyloxy)pyrrolidin-2-yl)oxazolidin-2-oneHCID 69195572(4S,5S)-4-(3,5-difluorobenzyl)-5-((R)-1-benzhydrylpiperidin-2-yl)oxazolidin-2-one

Product 1

HCID 58608198(4S,5S)-4-(3,5-difluorobenzyl)-5-((2R,4S)-1-benzhydryl-4-hydroxypyrrolidin-2-yl)oxazolidin-2-one

Reagents, catalysts & solvents 2

HCID 702EthanolSolventHCID 962WaterSolvent

Procedure

Step L (8): (1S,2S)-2-Amino-1-((R)-4-benzhydrylmorpholin-3-yl)-3-(3,5-difluorophenyl)propan-1-ol. To a solution of (4S,5S)-4-(3,5-difluorobenzyl)-5-((R)-4-benzhydrylmorpholin-3-yl)oxazolidin-2-one (step L (7), 85 mg, 0.18 mmol) in EtOH (2 mL) was added a solution of LiOH (66 mg, 2.75 mmol) in H2O (1 mL). This reaction mixture was brought to 98° C. and stirred for overnight. Solvent was removed and 1N HCl solution (50 mL) was added to the mixture and washed with diethyl ether. The aqueous phase was basified with 50% aqueous NaOH solution. This mixture was extracted with ethyl acetate. The combined organic layer was dried (Na2SO4), and concentrated in vacuo to give 80 mg of the title compound: 1H NMR (CDCl3, 500 MHz) δ 1.94-2.06 (3H, m), 2.30 (1H, dd, J=10, 15 Hz), 2.51-2.59 (1H, m), 2.73-2.81 (1H, m), 2.90 (1H, m), 2.95 (1H, m), 3.08 (1H, m), 3.70 (1H, m), 3.80 (1H, dt, J=5, 10 Hz), 3.91 (1H, m), 4.09 (1H, m), 4.14 (1H, m), 5.05 (1H, s), 6.60-6.68 (3H, m), 7.15-7.31 (6H, m), 7.37 (2H, d, J=10 Hz), 7.42 (2H, d, J=5 Hz). MS (ESI) (M+H)+ 439.20.

Workup

  1. customwas brought to 98° C.
  2. customSolvent was removed
  3. addition1N HCl solution (50 mL) was added to the mixture
  4. washwashed with diethyl ether
  5. extractionThis mixture was extracted with ethyl acetate
  6. dry with materialThe combined organic layer was dried (Na2SO4)
  7. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-0628e497412d4e5d8d4a8f058d791103
Source dataset
uspto-grants-2008_06
Patent number
US07388007B2

Reaction notes

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