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Acetic Acid → 5-{4-Fluoro-3-[(3-pyrrolidin-1-yl-propylamino)-methyl]-phenyl}-indazole-1-carboxylic acid tert-butyl ester

HRID 1864799
ノート
印刷プレビュー

反応式

HRID 1864799 の反応式
C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].[C:15]([O:19][C:20]([N:22]1[C:30]2[C:25](=[CH:26][C:27]([C:31]3[CH:36]=[CH:35][C:34]([F:37])=[C:33]([CH:38]=O)[CH:32]=3)=[CH:28][CH:29]=2)[CH:24]=[N:23]1)=[O:21])([CH3:18])([CH3:17])[CH3:16].[NH2:40][CH2:41][CH2:42][CH2:43][N:44]1[CH2:48][CH2:47][CH2:46][CH2:45]1.C(O)(=O)C>ClC(Cl)C.ClCCl>[C:15]([O:19][C:20]([N:22]1[C:30]2[C:25](=[CH:26][C:27]([C:31]3[CH:36]=[CH:35][C:34]([F:37])=[C:33]([CH2:38][NH:40][CH2:41][CH2:42][CH2:43][N:44]4[CH2:48][CH2:47][CH2:46][CH2:45]4)[CH:32]=3)=[CH:28][CH:29]=2)[CH:24]=[N:23]1)=[O:21])([CH3:18])([CH3:16])[CH3:17]
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 176Acetic AcidHCID 316701-PyrrolidinepropanamineHCID 5049666Sodium triacetoxyborohydrideHCID 866164695-(4-Fluoro-3-formylphenyl)-indazole-1-carboxylic acid tert-butyl ester

生成物 1

HCID 687505725-{4-Fluoro-3-[(3-pyrrolidin-1-yl-propylamino)-methyl]-phenyl}-indazole-1-carboxylic acid tert-butyl ester収率 99.1%

試薬・触媒・溶媒

2
HCID 6344Dichloromethane溶媒HCID 63651,1-Dichloroethane溶媒

実験手順

Sodium triacetoxyborohydride (190 mg, 0.88 mmol) was added to a mixture of 5-(4-fluoro-3-formylphenyl)-indazole-1-carboxylic acid tert-butyl ester (100 mg, 0.29 mmol) and N-(3-aminopropyl)pyrrolidine (74 mg, 0.59 mmol) and acetic acid (105 mg, 1.8 mmol) in dichloroethane. The mixture was stirred at ambient temperature overnight, and then it was diluted with dichloromethane and washed with 1 M sodium carbonate solution. The layers were separated and the aqueous phase extracted with dichloromethane. The combined organic layers were dried over magnesium sulfate, filtered and concentrated to leave the crude product. Chromatography (elution with methanol/dichloromethane) provided 130 mg of product. LC/MS: Retention time, 1.98 min; (M+H)=453.

後処理

  1. washwashed with 1 M sodium carbonate solution
  2. customThe layers were separated
  3. extractionthe aqueous phase extracted with dichloromethane
  4. dry with materialThe combined organic layers were dried over magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customto leave the crude product
  8. washChromatography (elution with methanol/dichloromethane)

出典と根拠

ORDレコード
ord-27e26f2df4c541639c419bc5f2e8911b
出典データセット
uspto-grants-2009_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07625889B2

反応ノート

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