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Potassium Carbonate → tert-Butyl 4-{[({[(2S)-4-(3,4-dichlorobenzyl)morpholin-2-yl]methyl}amino)carbonyl]amino}butanoate

HRID 1371389
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HRID 1371389 반응식
Cl.[C:2]([O:6][C:7](=[O:12])[CH2:8][CH2:9][CH2:10][NH2:11])([CH3:5])([CH3:4])[CH3:3].[Cl:13][C:14]1[CH:15]=[C:16]([CH:38]=[CH:39][C:40]=1[Cl:41])[CH2:17][N:18]1[CH2:23][CH2:22][O:21][C@@H:20]([CH2:24][NH:25][C:26](=O)[O:27]C2C=CC([N+]([O-])=O)=CC=2)[CH2:19]1.C(N(CC)C(C)C)(C)C.C(=O)([O-])[O-].[K+].[K+]>ClCCl>[Cl:13][C:14]1[CH:15]=[C:16]([CH:38]=[CH:39][C:40]=1[Cl:41])[CH2:17][N:18]1[CH2:23][CH2:22][O:21][C@@H:20]([CH2:24][NH:25][C:26]([NH:11][CH2:10][CH2:9][CH2:8][C:7]([O:6][C:2]([CH3:5])([CH3:3])[CH3:4])=[O:12])=[O:27])[CH2:19]1
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참가 물질

6

반응물 4

HCID 11430Potassium CarbonateHCID 81531DiisopropylethylamineHCID 117750244-Nitrophenyl [(2S)-4-(3,4-dichlorobenzyl)morpholin-2-yl]methylcarbamateHCID 24750478Tert-butyl 4-aminobutanoate hydrochloride

생성물 1

HCID 86760343tert-Butyl 4-{[({[(2S)-4-(3,4-dichlorobenzyl)morpholin-2-yl]methyl}amino)carbonyl]amino}butanoate수율 75%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
22 °C

실험 절차

4-Aminobutyric acid tert-butyl ester hydrochloride (0.235 g) was added to a stirred solution of Intermediate 13 (0.440 g) and N,N-diisopropylethylamine (0.42 ml) in dry dichloromethane (20 ml) under nitrogen, and the mixture was stirred at 22° C. for 18 h. The mixture was treated with saturated aqueous potassium carbonate (20 ml) and stirred for 5 min. The layers were separated and the organic layer applied to a silica gel cartridge (10 g Varian Bond Elut). Elution with dichloromethane, ether, ethyl acetate, and acetone gave the crude product (0.357 g). Further purification by chromatography on silica gel (10 g Varian Bond Elut cartridge), eluting with dichloromethane (1 column volume), ether (4 column volumes) and ethyl acetate (8 column volumes) gave the title compound as a gum (0.345 g).

후처리

  1. stirringstirred for 5 min
  2. customThe layers were separated
  3. washElution with dichloromethane, ether, ethyl acetate, and acetone
  4. customgave the crude product (0.357 g)
  5. customFurther purification by chromatography on silica gel (10 g Varian Bond Elut cartridge)
  6. washeluting with dichloromethane (1 column volume), ether (4 column volumes) and ethyl acetate (8 column volumes)

출처 및 근거

ORD 기록
ord-244ca70a9aa544318514685e5b6668d6
출처 데이터셋
uspto-grants-2007_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07157457B2

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