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Water → (+/-)-trans-3-[5-(4-Benzyloxy-phenyl)-6-butyl-pyridazin-3-yloxymethyl]-4-hydroxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 401875
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HRID 401875 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:12][C@@H:11]([CH2:13][OH:14])[C@H:10]([CH2:15][OH:16])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[CH2:19]([O:26][C:27]1[CH:32]=[CH:31][C:30]([C:33]2[CH:38]=[C:37](Cl)[N:36]=[N:35][C:34]=2[CH2:40][CH2:41][CH2:42][CH3:43])=[CH:29][CH:28]=1)[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1.O>C1COCC1>[C:1]([O:5][C:6]([N:8]1[CH2:9][C@@H:10]([CH2:15][OH:16])[C@H:11]([CH2:13][O:14][C:37]2[N:36]=[N:35][C:34]([CH2:40][CH2:41][CH2:42][CH3:43])=[C:33]([C:30]3[CH:29]=[CH:28][C:27]([O:26][CH2:19][C:20]4[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=4)=[CH:32][CH:31]=3)[CH:38]=2)[CH2:12]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 962WaterHCID 24758Sodium hydrideHCID 59512458(3S,4S)-tert-Butyl 3,4-bis(hydroxymethyl)pyrrolidine-1-carboxylateHCID 713030894-(4-(Benzyloxy)phenyl)-3-butyl-6-chloropyridazine

생성물 1

HCID 86657770(+/-)-trans-3-[5-(4-Benzyloxy-phenyl)-6-butyl-pyridazin-3-yloxymethyl]-4-hydroxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester

시약·촉매·용매

1
HCID 8028Tetrahydrofuran용매

실험 절차

To a stirred solution of (±)-trans-3,4-bis-hydroxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester (2.0 mmol, 462 mg) in THF (4.0 mL) at 0° C. was added NaH (60% dispersion in mineral oil, 2.5 mmol, 100 mg) and stirring continued for 10 min at room temperature, then 4-(4-benzyloxy-phenyl)-3-butyl-6-chloro-pyridazine (Example 1, 1.0 mmol, 352 mg) was added. The resulting mixture was stirred at 50° C. for 1 hour, poured into water and extracted with ethyl acetate. The organic layers were combined and concentrated under reduced pressure. The product was purified by column chromatography using 1% methanol in ethyl acetate to give (±)-trans-3-[5-(4-benzyloxy-phenyl)-6-butyl-pyridazin-3-yloxymethyl]-4-hydroxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester, which was dissolved in dichloromethane (1.0 mL), added 4.0 M HCl in dioxane (1.0 mL) and stirred at room temperature for 1 hour. Solvents were evaporated to give (±)-trans-{4-[5-(4-benzyloxy-phenyl)-6-butyl-pyridazin-3-yloxymethyl]-pyrrolidin-3-yl}-methanol dihydrochloride.

후처리

  1. stirringThe resulting mixture was stirred at 50° C. for 1 hour
  2. extractionextracted with ethyl acetate
  3. concentrationconcentrated under reduced pressure
  4. customThe product was purified by column chromatography

출처 및 근거

ORD 기록
ord-c9451e17e9f64d1a9a284748ffdfa28b
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08741900B2

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