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alpha-Chlorohydrin, (+)- → (S)-3-{4-[5-(2-Cyclopentyl-6-methoxy-pyridin-4-yl)-[1,3,4]oxadiazol-2-yl]-2-ethyl-6-methyl-phenoxy}-propane-1,2-diol

HRID 245124
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HRID 245124 반응식
[CH:1]1([C:6]2[CH:11]=[C:10]([C:12]3[O:16][C:15]([C:17]4[CH:22]=[C:21]([CH3:23])[C:20]([OH:24])=[C:19]([CH2:25][CH3:26])[CH:18]=4)=[N:14][N:13]=3)[CH:9]=[C:8]([O:27][CH3:28])[N:7]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.Cl[CH2:30][C@@H:31]([OH:34])[CH2:32][OH:33]>C(O)(C)C.[OH-].[Na+].CC(=O)OCC>[CH:1]1([C:6]2[CH:11]=[C:10]([C:12]3[O:16][C:15]([C:17]4[CH:22]=[C:21]([CH3:23])[C:20]([O:24][CH2:30][C@@H:31]([OH:34])[CH2:32][OH:33])=[C:19]([CH2:25][CH3:26])[CH:18]=4)=[N:14][N:13]=3)[CH:9]=[C:8]([O:27][CH3:28])[N:7]=2)[CH2:2][CH2:3][CH2:4][CH2:5]1
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참가 물질

6

반응물 2

HCID 148904alpha-Chlorohydrin, (+)-HCID 1363910184-[5-(2-Cyclopentyl-6-methoxy-pyridin-4-yl)-[1,3,4]oxadiazol-2-yl]-2-ethyl-6-methyl-phenol

생성물 1

HCID 49872363(S)-3-{4-[5-(2-Cyclopentyl-6-methoxy-pyridin-4-yl)-[1,3,4]oxadiazol-2-yl]-2-ethyl-6-methyl-phenoxy}-propane-1,2-diol수율 71.8%

시약·촉매·용매 3

HCID 3776Isopropanol용매
HCID 8857
Ethyl Acetate
용매
HCID 14798Sodium Hydroxide용매

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온도
70 °C

실험 절차

A mixture of 4-[5-(2-cyclopentyl-6-methoxy-pyridin-4-yl)-[1,3,4]oxadiazol-2-yl]-2-ethyl-6-methyl-phenol (100 mg, 264 μmol) and (S)-3-chloro-propane-1,2-diol (244 mg, 2.64 mmol) in isopropanol (4 mL) and 3 N aq. NaOH (1 mL) is stirred at 70° C. for 48 h. The mixture is diluted with EA (50 mL), washed with 1 M aq. NaOH solution (20 mL) followed by brine (20 mL), dried over MgSO4, filtered and concentrated. The crude product is purified by prep. HPLC to give the title compound (86 mg) as a white solid; LC-MS**: tR=0.83 min, [M+H]+=454.12; 1H NMR (CDCl3): δ1.33 (t, J=7.5 Hz, 3H), 1.65-1.80 (m, 2H), 1.83-1.96 (m, 4H), 2.05-2.15 (m, 2H), 2.42 (s, 3H), 2.78 (q, J=7.3 Hz, 2H), 3.19-3.30 (m, 1H), 3.82-3.99 (m, 4H), 4.02 (s, 3H), 4.15-4.23 (m, 1H), 7.22 (s, 1H), 7.48 (s, 1H), 7.84 (s, 1H), 7.86 (s, 1H).

후처리

  1. washwashed with 1 M aq. NaOH solution (20 mL)
  2. dry with materialdried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe crude product is purified by prep

출처 및 근거

ORD 기록
ord-793b7cd879334be39a2eb44e21297400
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658675B2

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