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Sodium hydride → (R)-tert-butyl 3-((R)-(2-(tert-butyldimethylsilyloxy)ethoxy)(3-chlorophenyl)methyl)piperidine-1-carboxylate

HRID 451672
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인쇄 미리보기

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HRID 451672 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([C@H:8]([OH:22])[C@@H:9]2[CH2:14][CH2:13][CH2:12][N:11]([C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[CH2:10]2)[CH:5]=[CH:6][CH:7]=1.[H-].[Na+].Br[CH2:26][CH2:27][O:28][Si:29]([C:32]([CH3:35])([CH3:34])[CH3:33])([CH3:31])[CH3:30]>C1COCC1>[Si:29]([O:28][CH2:27][CH2:26][O:22][C@@H:8]([C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([Cl:1])[CH:3]=1)[C@@H:9]1[CH2:14][CH2:13][CH2:12][N:11]([C:15]([O:17][C:18]([CH3:19])([CH3:21])[CH3:20])=[O:16])[CH2:10]1)([C:32]([CH3:35])([CH3:34])[CH3:33])([CH3:31])[CH3:30]
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참가 물질

5

반응물 3

HCID 24758Sodium hydrideHCID 3608067(2-Bromoethoxy)-tert-butyldimethylsilaneHCID 44555022tert-Butyl (R)-3-((R)-(3-chlorophenyl)(hydroxy)methyl)piperidine-1-carboxylate

생성물 1

HCID 59201708(R)-tert-butyl 3-((R)-(2-(tert-butyldimethylsilyloxy)ethoxy)(3-chlorophenyl)methyl)piperidine-1-carboxylate

시약·촉매·용매 1

HCID 8028Tetrahydrofuran
용매

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온도
80 °C

실험 절차

To a mixture of (R)-tert-butyl 3-((R)-(3-chlorophenyl)(hydroxy)methyl)piperidine-1-carboxylate (0.1964 g, 0.60 mmol, 1.0 equiv) and 60% NaH in oil (0.753 g, 18.8 mmol, 31 equiv) in THF (15 mL) was added (2-bromoethoxy)-tert-butyldimethylsilane (2.042 g, 8.5 mmol, 14 equiv). The resulting mixture was heated at 80° C. for 19 h and then quenched with water, extracted with EtOAc and dried over Na2SO4. After the solvent was removed, the crude product was used in the next step without further purification.

후처리

  1. customquenched with water
  2. extractionextracted with EtOAc
  3. dry with materialdried over Na2SO4
  4. customAfter the solvent was removed
  5. customthe crude product was used in the next step without further purification

출처 및 근거

ORD 기록
ord-ba8143588d5240ffa1729f6e19ad5135
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08487108B2

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