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Triethylamine → (3S*,4R*)-3-(tert-Butyl-dimethyl-silanyloxymethyl)-4-({isopropyl-[4-methoxy-3-(3-methoxy-propoxy)-benzoyl]-amino}-methyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 1158348
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HRID 1158348 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:12][C@@H:11]([CH2:13][NH:14][CH:15]([CH3:17])[CH3:16])[C@H:10]([C:18]([CH3:26])([CH3:25])[O:19][SiH2:20][C:21]([CH3:24])([CH3:23])[CH3:22])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:27][O:28][CH2:29][CH2:30][CH2:31][O:32][C:33]1[CH:34]=[C:35]([CH:39]=[CH:40][C:41]=1[O:42][CH3:43])[C:36](O)=[O:37].O=C1N(P(Cl)(N2CCOC2=O)=O)CCO1.C(N(CC)CC)C>C(Cl)Cl>[C:1]([O:5][C:6]([N:8]1[CH2:12][C@@H:11]([CH2:13][N:14]([CH:15]([CH3:16])[CH3:17])[C:36](=[O:37])[C:35]2[CH:39]=[CH:40][C:41]([O:42][CH3:43])=[C:33]([O:32][CH2:31][CH2:30][CH2:29][O:28][CH3:27])[CH:34]=2)[C@H:10]([C:18]([CH3:26])([CH3:25])[O:19][SiH2:20][C:21]([CH3:24])([CH3:23])[CH3:22])[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]
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참가 물질

6

반응물 4

HCID 8471TriethylamineHCID 152842Bis(2-oxo-3-oxazolidinyl)phosphinic chlorideHCID 190395024-Methoxy-3-(3-methoxypropoxy)benzoic acidHCID 131728361(3S*,4R)-3-(tert-butyl-dimethyl-silanyloxymethyl)-4-(isopropylamino-methyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 131728362
(3S*,4R*)-3-(tert-Butyl-dimethyl-silanyloxymethyl)-4-({isopropyl-[4-methoxy-3-(3-methoxy-propoxy)-benzoyl]-amino}-methyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

A mixture of ((3S,4R)-3-(tert-butyl-dimethyl-silanyloxymethyl)-4-(isopropylamino-methyl)-pyrrolidine-1-carboxylic acid tert-butyl ester (8.9 g, 23.02 mmol), 3-(3-methoxy-propoxy)-4-methoxy-benzoic acid (6.08 g, 25.32 mmol), bis(2-oxo-3-oxazolidinyl)phosphinic chloride (6.45 g, 25.32 mmol) and triethylamine (7.62 mL, 92.07 mmol) in CH2Cl2 (230 mL) is refluxed for 3 h. The reaction is quenched by the addition of an aqueous saturated solution of NaHCO3. The organic layer is separated, and the aqueous phase is extracted 3 times with AcOEt. The combined organic extracts are dried (Na2SO4), and the solvent is removed in vacuo. The crude product is purified by flash chromatography on silica gel (eluent: CH2Cl2/acetone 95:5 to CH2Cl2/MeOH 95:5) to give the title product. TLC, Rf (CH2Cl2/MeOH 95:5)=0.47. MS (LC-MS): 609.4 [M+H]+; tR (HPLC, C18 column, 5-100% CH3CN/H2O/6 min, 100% CH3CN/2 min, CH3CN and H2O containing 0.1% TFA, flow: 1 mL/min): 7.05 min.

후처리

  1. temperatureis refluxed for 3 h
  2. customThe reaction is quenched by the addition of an aqueous saturated solution of NaHCO3
  3. customThe organic layer is separated
  4. extractionthe aqueous phase is extracted 3 times with AcOEt
  5. dry with materialThe combined organic extracts are dried (Na2SO4)
  6. customthe solvent is removed in vacuo
  7. customThe crude product is purified by flash chromatography on silica gel (eluent: CH2Cl2/acetone 95:5 to CH2Cl2/MeOH 95:5)

출처 및 근거

ORD 기록
ord-75e449adf239448881a3aad343d83bd9
출처 데이터셋
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07807709B2

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