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Hydrochloric Acid → 2-(1-(Benzo[d]thiazol-2-ylcarbamoyl)indolin-6-yl)thiazole-4-carboxylic acid

HRID 1641090
ノート
印刷プレビュー

反応式

HRID 1641090 の反応式
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[NH:10][C:11]([N:13]1[C:21]2[C:16](=[CH:17][CH:18]=[C:19]([C:22]3[S:23][CH:24]=[C:25]([C:27]([O:29]CC)=[O:28])[N:26]=3)[CH:20]=2)[CH2:15][CH2:14]1)=[O:12].[Li+].[OH-].O.Cl>CO.CCOC(C)=O>[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[NH:10][C:11]([N:13]1[C:21]2[C:16](=[CH:17][CH:18]=[C:19]([C:22]3[S:23][CH:24]=[C:25]([C:27]([OH:29])=[O:28])[N:26]=3)[CH:20]=2)[CH2:15][CH2:14]1)=[O:12]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 313Hydrochloric AcidHCID 962WaterHCID 3939Lithium HydroxideHCID 59418682Ethyl 2-(1-(benzo[d]thiazol-2-ylcarbamoyl)indolin-6-yl)thiazole-4-carboxylate

生成物 1

HCID 468402062-(1-(Benzo[d]thiazol-2-ylcarbamoyl)indolin-6-yl)thiazole-4-carboxylic acid収率 14.2%

試薬・触媒・溶媒 2

HCID 887
Methanol
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

The title compound 2-(1-(benzo[d]thiazol-2-ylcarbamoyl)indolin-6-yl)thiazole-4-carboxylic acid (28) was prepared by the following procedure: A mixture of ethyl 2-(1-(benzo[d]thiazol-2-ylcarbamoyl)indolin-6-yl)thiazole-4-carboxylate (28E) (22 mg, 0.05 mmol) and LiOH (12 mg, 0.49 mmol) was stirred in MeOH (2 mL) and water (1 mL) for 20 h. The mixture was diluted with EtOAc (5 mL) and acidified with 1M HCl. The organic layer was isolated, washed with H2O, dried over MgSO4, filtered and concentrated under reduced pressure. The crude material was purified by HPLC, to provide 3.0 mg (14%) of the desired product 2-(1-(benzo[d]thiazol-2-ylcarbamoyl)indolin-6-yl)thiazole-4-carboxylic acid (28). LC/MS (APCI): m/z 423.1 (M+H), 844.8 (2M+1).

後処理

  1. customThe title compound 2-(1-(benzo[d]thiazol-2-ylcarbamoyl)indolin-6-yl)thiazole-4-carboxylic acid (28) was prepared by the following procedure
  2. customThe organic layer was isolated
  3. washwashed with H2O
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe crude material was purified by HPLC

出典と根拠

ORDレコード
ord-f7a9193ceca14c2a999607257e0e6513
出典データセット
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08114893B2

反応ノート

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