Diisopropylethylamine → Ethyl(2S)-3-[4-(2-{butyl[2-fluoro-4-(trifluoromethyl)benzyl]amino}-2-oxoethoxy)phenyl]-2-ethoxypropanoate

HRID 2374640ノート

反応式

HRID 2374640 の反応式
[CH2:1]([NH:5][CH2:6][C:7]1[CH:12]=[CH:11][C:10]([C:13]([F:16])([F:15])[F:14])=[CH:9][C:8]=1[F:17])[CH2:2][CH2:3][CH3:4].[CH2:18]([O:20][C@H:21]([C:34]([O:36][CH2:37][CH3:38])=[O:35])[CH2:22][C:23]1[CH:33]=[CH:32][C:26]([O:27][CH2:28][C:29](O)=[O:30])=[CH:25][CH:24]=1)[CH3:19].C(N(CC)C(C)C)(C)C.F[B-](F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2C=CC=CC=2N=N1>C(Cl)Cl>[CH2:1]([N:5]([CH2:6][C:7]1[CH:12]=[CH:11][C:10]([C:13]([F:14])([F:15])[F:16])=[CH:9][C:8]=1[F:17])[C:29](=[O:30])[CH2:28][O:27][C:26]1[CH:25]=[CH:24][C:23]([CH2:22][C@H:21]([O:20][CH2:18][CH3:19])[C:34]([O:36][CH2:37][CH3:38])=[O:35])=[CH:33][CH:32]=1)[CH2:2][CH2:3][CH3:4]

参加物

6

反応物 4

HCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 11162260{4-[(2S)-2,3-Diethoxy-3-oxopropyl]phenoxy}acetic AcidHCID 68855369Benzenemethanamine, N-butyl-2-fluoro-4-(trifluoromethyl)-

生成物 1

HCID 68855512Ethyl(2S)-3-[4-(2-{butyl[2-fluoro-4-(trifluoromethyl)benzyl]amino}-2-oxoethoxy)phenyl]-2-ethoxypropanoate収率 74.4%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒2 回

実験手順

To a solution of N-butyl-N-[2-fluoro-4-(trifluoromethyl)benzyl]amine (0.598 g, 2.40 mmol) and {4-[(2S)-2,3-diethoxy-3-oxopropyl]phenoxy}acetic acid, (0.593 g, 2.00 mmol) in methylene chloride (20 mL) were added N,N-diisopropylethylamine (0.80 mL, 4.6 mmol) and O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate (0.674 g, 2.10 mmol) and the reaction mixture was stirred at room temperature overnight. The resulting solution was diluted with methylene chloride (100 mL) and the organic phase was washed with 2 M HCl (3×75 mL), saturated aqueous NaHCO3 (2×75 mL), and brine (75 mL), dried over Na2SO4, and concentrated in vacuo. Purification on a prepacked column of silica gel (Isolute® SPE Column, 20 g/70 mL) with methanol (0-2% gradient) in methylene chloride as the eluent yielded 0.785 g (74%) of a pale yellowish-white oil.

後処理

  1. washthe organic phase was washed with 2 M HCl (3×75 mL), saturated aqueous NaHCO3 (2×75 mL), and brine (75 mL)
  2. dry with materialdried over Na2SO4
  3. concentrationconcentrated in vacuo
  4. customPurification on a prepacked column of silica gel (Isolute® SPE Column, 20 g/70 mL) with methanol (0-2% gradient) in methylene chloride as the eluent

出典と根拠

ORDレコード
ord-08139ba2cc934b20aa68e1f8c7c48e1c
出典データセット
uspto-grants-2008_12
特許番号
US07462644B2

反応ノート

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