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Dimethylformamide → (1-methyl-1H-benzimidazol-2-yl)(1-ethoxycarbonylpiperidin-4-yl)amine

HRID 323214
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HRID 323214 반응식
[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[NH:10][CH:11]1[CH2:16][CH2:15][N:14]([C:17]([O:19][CH2:20][CH3:21])=[O:18])[CH2:13][CH2:12]1.[CH3:22]N(C)C=O.[H-].[Na+].CI>C(OCC)(=O)C.O1CCCC1>[CH3:22][N:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[NH:10][CH:11]1[CH2:16][CH2:15][N:14]([C:17]([O:19][CH2:20][CH3:21])=[O:18])[CH2:13][CH2:12]1
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참가 물질

7

반응물 4

HCID 6228DimethylformamideHCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 30184551-Piperidinecarboxylic acid, 4-(1H-benzimidazol-2-ylamino)-, ethyl ester

생성물 1

HCID 12891475(1-methyl-1H-benzimidazol-2-yl)(1-ethoxycarbonylpiperidin-4-yl)amine

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
HCID 8857Ethyl Acetate용매

실험 절차

Combine (1H-benzimidazol-2-yl)(1-ethoxycarbonyl-piperidin-4-yl)amine (1.44 g, 5.0 mmol) and dimethylformamide (3 mL) and tetrahydrofuran (25 mL). Add sodium hydride (0.34 g, 60% in oil, 8.5 mmol). After 1 hour, add methyl iodide (1 mL). After 18 hours, evaporate in vacuo to give a residue. Chromatograph the residue on silica gel eluting with ethyl acetate to give (1-methyl-1H-benzimidazol-2-yl)(1-ethoxycarbonylpiperidin-4-yl)amine: Rf=0.25 (silica gel, ethyl acetate).

후처리

  1. waitAfter 18 hours
  2. customevaporate in vacuo
  3. customto give a residue

출처 및 근거

ORD 기록
ord-a33a733eff84422b92b74627be473a12
출처 데이터셋
uspto-grants-2001_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06211199B1

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