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Lithium Chloride → tert-butyl (1S,2S,4S)-1-benzyl-4-{[(benzyloxy)carbonyl]amino}-2-{[tert-butyl(dimethyl)silyl]oxy}-5-(4-pyridin-3-ylphenyl)pentylcarbamate

HRID 1174364
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인쇄 미리보기

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HRID 1174364 반응식
[CH2:1]([C@H:8]([NH:39][C:40](=[O:46])[O:41][C:42]([CH3:45])([CH3:44])[CH3:43])[C@@H:9]([O:31][Si:32]([C:35]([CH3:38])([CH3:37])[CH3:36])([CH3:34])[CH3:33])[CH2:10][C@@H:11]([NH:20][C:21]([O:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1)=[O:22])[CH2:12][C:13]1[CH:18]=[CH:17][C:16](Br)=[CH:15][CH:14]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[Cl-].[Li+].C([Sn](CCCC)(CCCC)[C:54]1[CH:55]=[N:56][CH:57]=[CH:58][CH:59]=1)CCC>CN(C)C=O.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH2:1]([C@H:8]([NH:39][C:40](=[O:46])[O:41][C:42]([CH3:45])([CH3:44])[CH3:43])[C@@H:9]([O:31][Si:32]([C:35]([CH3:38])([CH3:37])[CH3:36])([CH3:34])[CH3:33])[CH2:10][C@@H:11]([NH:20][C:21]([O:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1)=[O:22])[CH2:12][C:13]1[CH:18]=[CH:17][C:16]([C:54]2[CH:55]=[N:56][CH:57]=[CH:58][CH:59]=2)=[CH:15][CH:14]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 433294Lithium ChlorideHCID 34838483-(Tributylstannyl)pyridineHCID 86726209tert-butyl (1S,2S,4S)-1-benzyl-4-{[benzyloxycarbonyl]amino}-5-(4-bromophenyl)-2-{[tert-butyl(dimethyl)silyl]oxy}pentylcarbamate

생성물 1

HCID 86726242tert-butyl (1S,2S,4S)-1-benzyl-4-{[(benzyloxy)carbonyl]amino}-2-{[tert-butyl(dimethyl)silyl]oxy}-5-(4-pyridin-3-ylphenyl)pentylcarbamate수율 73.4%

시약·촉매·용매

2
HCID 178418476HCID 178418476, 화합물촉매HCID 6228Dimethylformamide용매

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온도
100 °C

실험 절차

To a solution containing the product from Example 92D (0.50 g, 0.70 mmol) in N,N-dimethylformamide (7.0 mL) were added lithium chloride (0.30 g, 7.08 mmol), dichlorobis(triphenylphosphine)palladium(II) (0.150 g, 0.214 mmol), and 3-tributylstannylpyridine (0.776 g, 2.11 mmol), and the mixture was heated to 100° C. for 18 hours. The reaction was filtered, diluted with ethyl acetate and washed with water, and brine, dried over MgSO4, filtered and concentrated. The residue was chromatographed on silica gel eluting with a gradient starting with chloroform and ending with 25% ethyl acetate in chloroform to give the title compound (0.365 g).

후처리

  1. filtrationThe reaction was filtered
  2. additiondiluted with ethyl acetate
  3. washwashed with water, and brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe residue was chromatographed on silica gel eluting with a gradient

출처 및 근거

ORD 기록
ord-2576c2ccff314785b8165dae423da2d0
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07834043B2

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