Water → (3S,4R)-3-Hydroxymethyl-4-({isopropyl-[4-methoxy-3-(3-methoxy-propoxy)-benzoyl]-amino}-methyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 1158349

反応式

HRID 1158349 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:12][C@@H:11]([CH2:13][N:14]([CH:31]([CH3:33])[CH3:32])[C:15](=[O:30])[C:16]2[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[C:18]([O:24][CH2:25][CH2:26][CH2:27][O:28][CH3:29])[CH:17]=2)[C@H:10]([C:34](C)(C)[O:35][SiH2]C(C)(C)C)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].O.O.O.[F-].C([N+](CCCC)(CCCC)CCCC)CCC.O.CCOC(C)=O>C1COCC1>[C:1]([O:5][C:6]([N:8]1[CH2:12][C@@H:11]([CH2:13][N:14]([CH:31]([CH3:32])[CH3:33])[C:15](=[O:30])[C:16]2[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[C:18]([O:24][CH2:25][CH2:26][CH2:27][O:28][CH3:29])[CH:17]=2)[C@H:10]([CH2:34][OH:35])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]

参加物

6

反応物 4

HCID 962WaterHCID 8857Ethyl AcetateHCID 11726816Tetrabutylammonium Fluoride TrihydrateHCID 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

生成物 1

HCID 59512299(3S,4R)-3-Hydroxymethyl-4-({isopropyl-[4-methoxy-3-(3-methoxy-propoxy)-benzoyl]-amino}-methyl)-pyrrolidine-1-carboxylic acid tert-butyl ester

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of (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 (8.75 g, 14.37 mmol) in THF (50 mL) is added tetrabutylammonium fluoride trihydrate (6.8 g, 24.55 mmol) under a nitrogen atmosphere. The reaction mixture is stirred overnight. Water and AcOEt are added, the layers are separated and the aqueous one extracted twice 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/MeOH 97:3 to 95:5) to give the title product. TLC, Rf (CH2Cl2/MeOH 95:5)=0.3. MS (LC-MS): 395.1 [M+H-Boc]+; tR (HPLC, Macherey-Nagel Nucleosil C18 column, 10-100% CH3CN/H2O/5 min, 100% CH3CN/3 min, CH3CN and H2O containing 0.1% TFA, flow: 1.5 mL/min): 5.01 min.

後処理

  1. customthe layers are separated
  2. extractionthe aqueous one extracted twice with AcOEt
  3. dry with materialThe combined organic extracts are dried (Na2SO4)
  4. customthe solvent is removed in vacuo
  5. customThe crude product is purified by flash chromatography on silica gel (eluent: CH2Cl2/MeOH 97:3 to 95:5)

出典と根拠

ORDレコード
ord-99965baedd0d4660ad7d5f5c04e11973
出典データセット
uspto-grants-2010_10
特許番号
US07807709B2

関連ノート

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