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Tributylstannane → HCID 59201456, 화합물

HRID 451875
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HRID 451875 반응식
Br[C@@H:2]1[CH2:7][CH2:6][CH2:5][CH2:4][C@H:3]1[O:8][Si:9]([C:12]([CH3:15])([CH3:14])[CH3:13])([CH3:11])[CH3:10].[CH3:16][O:17][C:18](=[O:32])[C:19]([NH:21][C:22]([O:24][CH2:25][C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1)=[O:23])=[CH2:20].CC(N=NC(C#N)(C)C)(C#N)C.[SnH](CCCC)(CCCC)CCCC>C1C=CC=CC=1>[CH2:25]([O:24][C:22]([NH:21][CH:19]([CH2:20][C@@H:2]1[CH2:7][CH2:6][CH2:5][CH2:4][C@H:3]1[O:8][Si:9]([C:12]([CH3:15])([CH3:14])[CH3:13])([CH3:11])[CH3:10])[C:18]([O:17][CH3:16])=[O:32])=[O:23])[C:26]1[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=1
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참가 물질

6

반응물 4

HCID 5948TributylstannaneHCID 6547AzobisisobutyronitrileHCID 3525700Z-Dehydro-Ala-OMeHCID 59201686HCID 59201686, 화합물

생성물 1

HCID 59201456HCID 59201456, 화합물수율 39.1%

시약·촉매·용매 1

HCID 241Benzene용매

실험 절차

A benzene solution of ((1R*,2R*)-2-bromocyclohexyloxy)(tert-butyl)dimethylsilane (17.8 g, 0.061 mol), 2-benzyloxycarbonylamino-acrylic acid methyl ester (8 g, 0.037 mol), AIBN (1.22 g, 0.019 mol) was heated to reflux. After 5 minutes, n-Bu3SnH (19.8 mL, 0.074 mol) was added. The resulting mixture was then stirred at reflux for 14 hours. Solvent was removed under reduced pressure, the residue was purified by column chromatography to give methyl 2-(benzyloxycarbonylamino)-3-((1S*,2R*)-2-(tert-butyldimethylsilyloxy)cyclohexyl)propanoate (6.5 g, 24%).

후처리

  1. temperatureat reflux for 14 hours
  2. customSolvent was removed under reduced pressure
  3. customthe residue was purified by column chromatography

출처 및 근거

ORD 기록
ord-e14fbecd83bd4683b1632386b8989676
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08487108B2

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