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Ethyl Acetate → 4-(3-{2-[3-(Tert-butyl-dimethyl-silanyloxy)-4-(3-fluoro-phenyl)-butyl]-5-oxo-pyrrolidin-1-yl}-propyl)-benzoic acid methyl ester

HRID 352588
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HRID 352588 반응식
[C:1]([Si:5]([CH3:25])([CH3:24])[O:6][CH:7]([CH2:16][C:17]1[CH:22]=[CH:21][CH:20]=[C:19]([F:23])[CH:18]=1)[CH2:8][CH2:9][CH:10]1[NH:14][C:13](=[O:15])[CH2:12][CH2:11]1)([CH3:4])([CH3:3])[CH3:2].C[Si]([N-][Si](C)(C)C)(C)C.[Na+].[CH3:36][O:37][C:38](=[O:49])[C:39]1[CH:44]=[CH:43][C:42]([CH2:45][CH2:46][CH2:47]Br)=[CH:41][CH:40]=1.CCOC(C)=O>C(Cl)Cl.CO>[CH3:36][O:37][C:38](=[O:49])[C:39]1[CH:44]=[CH:43][C:42]([CH2:45][CH2:46][CH2:47][N:14]2[C:13](=[O:15])[CH2:12][CH2:11][CH:10]2[CH2:9][CH2:8][CH:7]([O:6][Si:5]([C:1]([CH3:4])([CH3:3])[CH3:2])([CH3:25])[CH3:24])[CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[C:19]([F:23])[CH:18]=2)=[CH:41][CH:40]=1
참가 물질실험 절차출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 8857Ethyl Acetate3회HCID 2724254Sodium bis(trimethylsilyl)amideHCID 10801120Methyl 4-(3-bromopropyl)benzoateHCID 129700955-[3-(Tert-butyldimethyl-silanyloxy)-4-(3-fluoro-phenyl)-butyl]-pyrrolidin-2-one

생성물 1

HCID 129701024-(3-{2-[3-(Tert-butyl-dimethyl-silanyloxy)-4-(3-fluoro-phenyl)-butyl]-5-oxo-pyrrolidin-1-yl}-propyl)-benzoic acid methyl ester
수율 72.9%

시약·촉매·용매 2

HCID 887Methanol용매2회HCID 6344Dichloromethane용매2회

실험 절차

Analogous to the procedure described in Example 1A, Step D, 5-[3-(tert-butyl-dimethyl-silanyloxy)-4-(3-fluoro-phenyl)-butyl]-pyrrolidin-2-one (254.7 mg, 0.697 mmol) was alkylated with NaHMDS (1M in THF, 0.84 mL, 0.84 mmol) and 4-(3-bromo-propyl)-benzoic acid methyl ester (200 mg, 0.778 mmol). Purificaton by medium pressure chromatography (5:1 hexanes:EtOAc to 1:1 hexanes:EtOAc to EtOAc to 1% MeOH in CH2Cl2 to 5% MeOH in CH2Cl2) provided 4-(3-{2-[3-(tert-butyl-dimethyl-silanyloxy)-4-(3-fluoro-phenyl)-butyl]-5-oxo-pyrrolidin-1-yl}-propyl)-benzoic acid methyl ester (275.3 mg). 1H NMR (CDCl3) (selected peaks) δ7.94 (d, 2H), 7.23 (m, 3H), 6.87 (m, 3H), 3.88 (s, 3H), 3.86 (m, 1H), 3.63 (m, 1H), 3.50 (m, 1H), 2.94 (m, 1H), 0.84 (s, 9H).

출처 및 근거

ORD 기록
ord-3ef7aa21cb6c4e7da3473671b950df2b
출처 데이터셋
uspto-grants-2004_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06747054B2

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