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Cesium carbonate → 1'-[(Tert-butoxycarbonyl)methyl]-6-chloro-4'-(3-chlorophenyl)-2'-(1-ethyl-propenyl)-2,3-dihydro-2,6'-dioxo spiro[indole-3,3'-piperidine] 1-methoxyethyl trimethylsilane

HRID 1728027
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HRID 1728027 반응식
[Cl:1][C:2]1[CH:7]=[C:6]2[NH:8][C:9](=[O:29])[C:10]3([CH:15]([C:16]4[CH:21]=[CH:20][CH:19]=[C:18]([Cl:22])[CH:17]=4)[CH2:14][C:13](=[O:23])[NH:12][CH:11]3[C:24]([CH2:27][CH3:28])=[CH:25][CH3:26])[C:5]2=[CH:4][CH:3]=1.[CH3:30][O:31][CH:32]([Si:34]([CH3:37])([CH3:36])[CH3:35])[CH3:33].[C:38]([O:42][C:43](=[O:46])[CH2:44]Br)([CH3:41])([CH3:40])[CH3:39].C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C)C=O>[C:38]([O:42][C:43]([CH2:44][N:12]1[C:13](=[O:23])[CH2:14][CH:15]([C:16]2[CH:21]=[CH:20][CH:19]=[C:18]([Cl:22])[CH:17]=2)[C:10]2([C:5]3[C:6](=[CH:7][C:2]([Cl:1])=[CH:3][CH:4]=3)[NH:8][C:9]2=[O:29])[CH:11]1[C:24]([CH2:27][CH3:28])=[CH:25][CH3:26])=[O:46])([CH3:41])([CH3:40])[CH3:39].[CH3:30][O:31][CH:32]([Si:34]([CH3:37])([CH3:36])[CH3:35])[CH3:33]
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5

반응물 3

HCID 10796Cesium carbonateHCID 79177tert-Butyl bromoacetateHCID 775800716-Chloro-4'-(3-chloro-phenyl)-2'-(1-ethyl-propenyl)-2,3-dihydro-2,6'-dioxo spiro[indole-3,3'-piperidine] 1-methoxyethyl trimethylsilane

생성물 1

HCID 775796121'-[(Tert-butoxycarbonyl)methyl]-6-chloro-4'-(3-chlorophenyl)-2'-(1-ethyl-propenyl)-2,3-dihydro-2,6'-dioxo spiro[indole-3,3'-piperidine] 1-methoxyethyl trimethylsilane수율 37%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

In a manner similar to the method described in example 55c, racemic (2′R,3R,4′S)-6-chloro-4′-(3-chloro-phenyl)-2′-(1-ethyl-propenyl)-2,3-dihydro-2,6′-dioxospiro[indole-3,3′-piperidine]-1-methoxyethyl trimethylsilane (1.6 g, 2.8 mmol) prepared in example 81a was reacted with bromo-acetic acid tert-butyl ester and cesium carbonate in N,N-dimethylformamide to give racemic (2′R,3R,4′S)-1′-[(tert-butoxycarbonyl)methyl]-6-chloro-4′-(3-chlorophenyl)-2′-(1-ethyl-propenyl)-2,3-dihydro-2,6′-dioxospiro[indole-3,3′-piperidine]-1-methoxyethyl trimethylsilane as a white foam (Yield 0.7 g, 37%).

출처 및 근거

ORD 기록
ord-8f3ded05b25f4b99991437438b62b1c0
출처 데이터셋
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07495007B2

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