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

HRID 245118노트

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HRID 245118 반응식
[CH:1]1([C:6]2[CH:11]=[C:10]([C:12]3[N: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)[O: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[N: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)[O:14][N:13]=3)[CH:9]=[C:8]([O:27][CH3:28])[N:7]=2)[CH2:2][CH2:3][CH2:4][CH2:5]1

참가 물질

6

반응물 2

HCID 148904alpha-Chlorohydrin, (+)-HCID 1363910174-[3-(2-Cyclopentyl-6-methoxy-pyridin-4-yl)-[1,2,4]oxadiazol-5-yl]-2-ethyl-6-methyl-phenol

생성물 1

HCID 49872263(S)-3-{4-[3-(2-Cyclopentyl-6-methoxy-pyridin-4-yl)-[1,2,4]oxadiazol-5-yl]-2-ethyl-6-methyl-phenoxy}-propane-1,2-diol수율 53%

시약·촉매·용매 3

HCID 3776Isopropanol용매HCID 8857Ethyl Acetate용매HCID 14798Sodium Hydroxide용매

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온도
70 °C

실험 절차

A mixture of 4-[3-(2-cyclopentyl-6-methoxy-pyridin-4-yl)-[1,2,4]oxadiazol-5-yl]-2-ethyl-6-methyl-phenol (150 mg, 395 μmol) and (S)-3-chloro-propane-1,2-diol (366 mg, 3.31 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 (95 mg) as a pale brown oil; LC-MS**: tR=0.88 min, [M+H]+=454.08; 1H NMR (CDCl3): δ1.34 (t, J=7.0 Hz, 3H), 1.67-1.79 (m, 2H), 1.82-1.96 (m, 4H), 2.04-2.15 (m, 2H), 2.43 (s, 3H), 2.79 (q, J=7.0 Hz, 2H), 3.18-3.29 (m, 1H), 3.81-3.99 (m, 4H), 4.01 (s, 3H), 4.15-4.22 (m, 1H), 7.30 (s, 1H), 7.49 (s, 1H), 7.93 (s, 1H), 7.94 (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-a1a666bc0b93495eb92f2bd4d89b1be2
출처 데이터셋
uspto-grants-2014_02
특허 번호
US08658675B2

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