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Sodium Hydroxide → 2-[4-(1-Tert-butoxycarbonylamino-cyclobutyl)-phenyl]-3-phenyl-imidazo[1,2-a]pyridine-7-carboxylic acid

HRID 872331
ノート
印刷プレビュー

反応式

HRID 872331 の反応式
C[O:2][C:3]([C:5]1[CH:10]=[CH:9][N:8]2[C:11]([C:32]3[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=3)=[C:12]([C:14]3[CH:19]=[CH:18][C:17]([C:20]4([NH:24][C:25]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26])[CH2:23][CH2:22][CH2:21]4)=[CH:16][CH:15]=3)[N:13]=[C:7]2[CH:6]=1)=[O:4].[OH-].[Na+]>CO.O>[C:28]([O:27][C:25]([NH:24][C:20]1([C:17]2[CH:16]=[CH:15][C:14]([C:12]3[N:13]=[C:7]4[CH:6]=[C:5]([C:3]([OH:4])=[O:2])[CH:10]=[CH:9][N:8]4[C:11]=3[C:32]3[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=3)=[CH:19][CH:18]=2)[CH2:21][CH2:22][CH2:23]1)=[O:26])([CH3:31])([CH3:29])[CH3:30]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 14798Sodium HydroxideHCID 666656142-[4-(1-Tert-butoxycarbonylamino-cyclobutyl)-phenyl]-3-phenyl-imidazo[1,2-a]pyridine-7-carboxylic acid methyl ester

生成物 1

HCID 666649662-[4-(1-Tert-butoxycarbonylamino-cyclobutyl)-phenyl]-3-phenyl-imidazo[1,2-a]pyridine-7-carboxylic acid収率 107.9%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒
HCID 962
Water
溶媒

実験手順

A solution of 2-[4-(1-tert-butoxycarbonylamino-cyclobutyl)-phenyl]-3-phenyl-imidazo[1,2-a]pyridine-7-carboxylic acid methyl ester (2.30 g, 4.60 mmol) in MeOH (77 mL) was added a solution of NaOH (3.7 g, 9.24 mmol, 2.0 equiv) in water (15 mL). The resulting mixture was stirred at room temperature for 12 h. The resulting clear solution was concentrated under pressure. The remaining material was treated with water (50 mL), made acidic with an aqueous 2N HCl solution, and extracted with a 4:1 CH2Cl2/isopropanol solution (4×25 mL). The combined organic phases were dried (Na2SO4 anh) and concentrated under reduced pressure to give 2-[4-(1-tert-butoxycarbonylamino-cyclobutyl)-phenyl]-3-phenyl-imidazo[1,2-a]pyridine-7-carboxylic acid (2.4 g, 107%):

後処理

  1. concentrationThe resulting clear solution was concentrated under pressure
  2. additionThe remaining material was treated with water (50 mL)
  3. extractionextracted with a 4:1 CH2Cl2/isopropanol solution (4×25 mL)
  4. dry with materialThe combined organic phases were dried (Na2SO4 anh)
  5. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-5156078fa0da48178911b2c5235542ce
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08975265B2

反応ノート

読み込み中…

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