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Sodium Hydroxide → 1-{[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]methyl}-4-piperidinecarboxylic acid

HRID 1512916
ノート
印刷プレビュー

反応式

HRID 1512916 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[O:16][N:15]=[C:14]([C:17]3[CH:18]=[CH:19][CH:20]=[C:21]4[C:25]=3[N:24]([CH3:26])[CH:23]=[C:22]4[CH2:27][N:28]3[CH2:33][CH2:32][CH:31]([C:34]([O:36]CC)=[O:35])[CH2:30][CH2:29]3)[N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10].[OH-].[Na+]>O1CCCC1.C(O)C.O>[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[O:16][N:15]=[C:14]([C:17]3[CH:18]=[CH:19][CH:20]=[C:21]4[C:25]=3[N:24]([CH3:26])[CH:23]=[C:22]4[CH2:27][N:28]3[CH2:33][CH2:32][CH:31]([C:34]([OH:36])=[O:35])[CH2:30][CH2:29]3)[N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 2

HCID 14798Sodium HydroxideHCID 59146087Ethyl 1-{[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]methyl}-4-piperidinecarboxylate

生成物 1

HCID 445487341-{[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]methyl}-4-piperidinecarboxylic acid収率 48%

試薬・触媒・溶媒 3

HCID 702Ethanol溶媒
HCID 962
Water
溶媒
HCID 8028Tetrahydrofuran溶媒

反応条件

温度
20 °C

実験手順

To a solution of ethyl 1-{[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]methyl}-4-piperidinecarboxylate (D79) (308 mg) in tetrahydrofuran (5 mL) and ethanol (5 mL) stirred at 20° C. was added a solution of sodium hydroxide (60 mg) in water (5 mL) in one charge. The reaction mixture was stirred at 20° C. overnight. The reaction mixture was concentrated and then H2SO4 (0.1 M) solution was added dropwise until no further white precipitate was formed. The solid was filtered and recrystallized from EtOAc to afford 1-{[7-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-3-yl]methyl}-4-piperidinecarboxylic acid (E57) (140 mg). δH (DMSO-d6, 400 MHz): 1.37 (6H, d), 1.49-2.21 (7H, m), 2.84-2.87 (2H, m), 3.65 (5H, s), 4.86-4.93 (1H, m), 7.18 (1H, t), 7.31 (1H, s), 7.44 (1H, dd), 7.46 (1H, d), 7.91 (1H, dd), 8.14 (1H, dd), 8.21 (1H, d), 12.06 (1H, br s). MS (ES): C27H29ClN4O4 requires 508; found 380.1 (M—NC5H9COOH+).

後処理

  1. additioncharge
  2. concentrationThe reaction mixture was concentrated
  3. additionH2SO4 (0.1 M) solution was added dropwise until no further white precipitate
  4. customwas formed
  5. filtrationThe solid was filtered
  6. customrecrystallized from EtOAc

出典と根拠

ORDレコード
ord-8bd5074371ed4ea49b8ed1a77171be18
出典データセット
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08217028B2

反応ノート

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