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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-(5-methyl-2-pyridinyl)phenyl]pentylcarbamate

HRID 1174265
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HRID 1174265 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.[Li+].[Cl-].[CH3:49][C:50]1[CH:51]=[CH:52][C:53]([Sn](CCCC)(CCCC)CCCC)=[N:54][CH:55]=1>CN(C=O)C.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:53]2[CH:52]=[CH:51][C:50]([CH3:49])=[CH:55][N:54]=2)=[CH:15][CH:14]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 433294Lithium ChlorideHCID 111327115-Methyl-2-(tri-n-butylstannyl)pyridineHCID 86726209tert-butyl (1S,2S,4S)-1-benzyl-4-{[benzyloxycarbonyl]amino}-5-(4-bromophenyl)-2-{[tert-butyl(dimethyl)silyl]oxy}pentylcarbamate

생성물 1

HCID 86726210tert-butyl (1S,2S,4S)-1-benzyl-4-{[(benzyloxy)carbonyl]amino}-2-{[tert-butyl(dimethyl)silyl]oxy}-5-[4-(5-methyl-2-pyridinyl)phenyl]pentylcarbamate수율 74%

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매HCID 6228Dimethylformamide용매

실험 절차

A solution containing the product from Example 92D (0.50 g, 0.703 mmol) in DMF (7 mL) was treated with LiCl (0.30 g, 7.08 mmol), dichlorobis(triphenylphosphine)palladium(II) (0.15 g, 0.213 mmol), and the product from Example 74A (0.805 g, 2.11 mmol), heated at 100° C. for 16 hours, cooled, filtered through celite®, and partitioned between ethyl acetate and water. The organic phase was washed with brine and dried over MgSO4, filtered and concentrated. The residue was chromatographed on silica gel eluting with 0-20% ethyl acetate in chloroform to give the title compound (0.374 g, 74% yield).

후처리

  1. temperaturecooled
  2. filtrationfiltered through celite®
  3. custompartitioned between ethyl acetate and water
  4. washThe organic phase was washed with brine
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe residue was chromatographed on silica gel eluting with 0-20% ethyl acetate in chloroform

출처 및 근거

ORD 기록
ord-9df865fb86ff49a48ad925a70922ff8c
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07834043B2

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