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Sodium hydride → 4-Benzyl 1,4-di-tert-butyl (1S)-5-[5-(benzyloxy)pyridin-2-yl]-1-[(tert-butoxycarbonyl)amino]pentane-1,4,4-tricarboxylate

HRID 591303
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HRID 591303 반응식
[CH2:1]([O:8][C:9]([CH:11]([CH2:19][CH2:20][C@H:21]([NH:29][C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[H-].[Na+].[CH2:39]([O:46][C:47]1[CH:48]=[CH:49][C:50]([CH2:53]Br)=[N:51][CH:52]=1)[C:40]1[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=1>CN(C)C=O>[CH2:39]([O:46][C:47]1[CH:48]=[CH:49][C:50]([CH2:53][C:11]([C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])([C:9]([O:8][CH2:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)=[O:10])[CH2:19][CH2:20][C@H:21]([NH:29][C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[C:22]([O:24][C:25]([CH3:26])([CH3:27])[CH3:28])=[O:23])=[N:51][CH:52]=1)[C:40]1[CH:41]=[CH:42][CH:43]=[CH:44][CH:45]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 24758Sodium hydrideHCID 797999495-(Benzyloxy)-2-(bromomethyl)pyridineHCID 117812690Di-tert-butyl (5S)-2-(benzyloxycarbonyl)-5-[(tert-butoxycarbonyl)amino]hexanedioate

생성물 1

HCID 1178126974-Benzyl 1,4-di-tert-butyl (1S)-5-[5-(benzyloxy)pyridin-2-yl]-1-[(tert-butoxycarbonyl)amino]pentane-1,4,4-tricarboxylate수율 65.3%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매
2회

실험 절차

To a solution of 360 mg of di-tert-butyl (5S)-2-(benzyloxycarbonyl)-5-[(tert-butoxy-carbonyl)amino]hexanedioate (0.71 mmol; see example 12f) in N,N-dimethyl formamide (10 mL) was added under argon atmosphere 26 mg of sodium hydride (60% in oil, 0.64 mmol). The resulting mixture was stirred at room temperature for 30 minutes. A solution of 197 mg 5-(benzyloxy)-2-(bromomethyl)pyridine (prepared according to example 17a; 0.71 mmol) in N,N-dimethylformamide (5 mL) was added, and the mixture was stirred at 60° C. for one hour. After cooling to room temperature, the mixture was concentrated in vacuo and the residue was purified by preparative HPLC (method A) to give 327 mg of the title compound (65% yield).

후처리

  1. stirringthe mixture was stirred at 60° C. for one hour
  2. temperatureAfter cooling to room temperature
  3. concentrationthe mixture was concentrated in vacuo
  4. customthe residue was purified by preparative HPLC (method A)

출처 및 근거

ORD 기록
ord-f314c9095a6a455185bd6e47f193a335
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09238631B2

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