Lithium Hydroxide → (S)-2-((S)-3-acetamido-3-((R)-sec-butyl)-2-oxopyrrolidin-1-yl)-N-((1R,2S)-3-(3,5-difluorophenyl)-1-hydroxy-1-((2R,4R)-4-hydroxypyrrolidin-2-yl)propan-2-yl)-4-phenylbutanamide

HRID 132964노트

반응식

HRID 132964 반응식
[C:1]([NH:4][C@:5]1([C@@H:54]([CH2:56][CH3:57])[CH3:55])[CH2:9][CH2:8][N:7]([C@@H:10]([CH2:45][CH2:46][C:47]2[CH:52]=[CH:51][CH:50]=[CH:49][CH:48]=2)[C:11]([NH:13][C@@H:14]([CH2:36][C:37]2[CH:42]=[C:41]([F:43])[CH:40]=[C:39]([F:44])[CH:38]=2)[C@@H:15]([C@H:17]2[CH2:22][CH2:21][CH2:20]C[N:18]2C(C2C=CC=CC=2)C2C=CC=CC=2)[OH:16])=[O:12])[C:6]1=[O:53])(=[O:3])[CH3:2].N[C@@H](CC1C=C(F)C=C(F)C=1)[C@@H]([C@@H]1N(C(C2C=CC=CC=2)C2C=CC=CC=2)C[C@H](O)C1)[OH:61].FC1C=C(C=C(F)C=1)C[C@H]1[C@@H]([C@H]2C[C@@H](O)CN2C(C2C=CC=CC=2)C2C=CC=CC=2)OC(=O)N1.[Li+].[OH-]>CCO.O>[C:1]([NH:4][C@:5]1([C@@H:54]([CH2:56][CH3:57])[CH3:55])[CH2:9][CH2:8][N:7]([C@@H:10]([CH2:45][CH2:46][C:47]2[CH:48]=[CH:49][CH:50]=[CH:51][CH:52]=2)[C:11]([NH:13][C@@H:14]([CH2:36][C:37]2[CH:38]=[C:39]([F:44])[CH:40]=[C:41]([F:43])[CH:42]=2)[C@H:15]([OH:16])[C@H:17]2[CH2:22][C@@H:21]([OH:61])[CH2:20][NH:18]2)=[O:12])[C:6]1=[O:53])(=[O:3])[CH3:2]

참가 물질

7

실험 절차

Step 14 (A): (3R,5R)-5-((1S,2S)-2-amino-3-(3,5-difluorophenyl)-1-hydroxypropyl)-1-benzhydrylpyrrolidin-3-ol. To a solution of (4S,5S)-4-(3,5-difluorobenzyl)-5-((2R,4R)-1-benzhydryl-4-hydroxypyrrolidin-2-yl)oxazolidin-2-one (Preparation J, 129 mg, 0.278 mmol) in EtOH (10 mL) was added a solution of LiOH (133 mg, 5.56 mmol) in H2O (2.5 mL). This reaction mixture was stirred at reflux for 3.5 h. After cooling down to rt, the mixture was concentrated to remove EtOH and the mixture was extracted with ethyl acetate and the organic phase was washed with sat. aqueous NaCl, dried (MgSO4), and concentrated in vacuo. Flash chromatography (silica gel, 0-10% MeOH/chloroform) gave the title compound: 1H NMR (CDCl3, 500 MHz) δ 2.00-2.05 (1H, m), 2.13-2.21 (1H, m), 2.40-2.61 (2H, m), 2.79-2.91 (2H, m), 3.21 (2H, d, J=15 Hz), 3.51 (1H, d, J=15 Hz), 4.26 (1H, m), 4.79 (1H, s), 6.62-6.70 (3H, m), 7.14-7.26 (4H, m), 7.30-7.35 (3H, m), 7.37-7.43 (3H, m). HPLC retention time: 1.19 min (method A). MS (ESI) (M+H)+ 439.22.

후처리

  1. temperatureat reflux for 3.5 h
  2. concentrationthe mixture was concentrated
  3. customto remove EtOH
  4. extractionthe mixture was extracted with ethyl acetate
  5. washthe organic phase was washed with sat. aqueous NaCl
  6. dry with materialdried (MgSO4)
  7. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-4c586dc973bf48e3b04740b2e4cd3ce4
출처 데이터셋
uspto-grants-2008_06
특허 번호
US07388007B2

반응 노트

불러오는 중…