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Formaldehyde → N-tert-butyl-2-(5-(difluoromethoxy)-1-((1-methylazetidin-3-yl)methyl)-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide

HRID 246508
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HRID 246508 반응식
[NH:1]1[CH2:4][CH:3]([CH2:5][N:6]2[C:14]3[C:9](=[CH:10][C:11]([O:15][CH:16]([F:18])[F:17])=[CH:12][CH:13]=3)[C:8]([C:19]3[N:20]=[C:21]4[C:27]([C:28]([NH:30][C:31]([CH3:34])([CH3:33])[CH3:32])=[O:29])=[CH:26][N:25]([CH2:35][O:36][CH2:37][CH2:38][Si:39]([CH3:42])([CH3:41])[CH3:40])[C:22]4=[N:23][CH:24]=3)=[N:7]2)[CH2:2]1.C=O.[C:45](O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>CO>[C:31]([NH:30][C:28]([C:27]1[C:21]2[C:22](=[N:23][CH:24]=[C:19]([C:8]3[C:9]4[C:14](=[CH:13][CH:12]=[C:11]([O:15][CH:16]([F:18])[F:17])[CH:10]=4)[N:6]([CH2:5][CH:3]4[CH2:4][N:1]([CH3:45])[CH2:2]4)[N:7]=3)[N:20]=2)[N:25]([CH2:35][O:36][CH2:37][CH2:38][Si:39]([CH3:42])([CH3:41])[CH3:40])[CH:26]=1)=[O:29])([CH3:33])([CH3:34])[CH3:32]
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참가 물질

5

반응물 3

HCID 712FormaldehydeHCID 5049666Sodium triacetoxyborohydrideHCID 712799372-(1-(Azetidin-3-ylmethyl)-5-(difluoromethoxy)-1H-indazol-3-yl)-N-tert-butyl-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide

생성물 1

HCID 71279599N-tert-butyl-2-(5-(difluoromethoxy)-1-((1-methylazetidin-3-yl)methyl)-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide수율 87.1%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

To a stirred solution of 2-(1-(azetidin-3-ylmethyl)-5-(difluoromethoxy)-1H-indazol-3-yl)-N-tert-butyl-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (37 mg, 61.7 μmol) in methanol (4 mL), cooled to 0° C. with ice bath, was added aqueous formaldehyde (1 mL, 13.4 mmol), followed by the addition of sodium triacetoxyborohydride (29.4 mg, 139 μmol). The reaction mixture was stirred at room temperature for 15 h then concentrated and purified by chromatography (silica, 4 g Analogix column, 0-10% methanol containing 10% ammonium hydroxide in dichloromethane) to give N-tert-butyl-2-(5-(difluoromethoxy)-1-((1-methylazetidin-3-yl)methyl)-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (33 mg, 87%). MS (M+H)+=614.

후처리

  1. concentrationthen concentrated
  2. custompurified by chromatography (silica, 4 g Analogix column, 0-10% methanol containing 10% ammonium hydroxide in dichloromethane)

출처 및 근거

ORD 기록
ord-21cce788a4544d3b895d2a0bff2e1363
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658646B2

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