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Oxalyl chloride → N-(1-benzyl-1H-indazol-4-yl)-7-(2-morpholinoethoxy)imidazo[1,2-a]pyridine-3-carboxamide

HRID 706664
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HRID 706664 반응식
[O:1]1[CH2:6][CH2:5][N:4]([CH2:7][CH2:8][O:9][C:10]2[CH:15]=[CH:14][N:13]3[C:16]([C:19]([O-:21])=O)=[CH:17][N:18]=[C:12]3[CH:11]=2)[CH2:3][CH2:2]1.[Li+].C(Cl)(=O)C(Cl)=O.[CH2:29]([N:36]1[C:44]2[CH:43]=[CH:42][CH:41]=[C:40]([NH2:45])[C:39]=2[CH:38]=[N:37]1)[C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1.CCN(C(C)C)C(C)C>C(Cl)Cl.CN(C=O)C>[CH2:29]([N:36]1[C:44]2[C:39](=[C:40]([NH:45][C:19]([C:16]3[N:13]4[CH:14]=[CH:15][C:10]([O:9][CH2:8][CH2:7][N:4]5[CH2:3][CH2:2][O:1][CH2:6][CH2:5]5)=[CH:11][C:12]4=[N:18][CH:17]=3)=[O:21])[CH:41]=[CH:42][CH:43]=2)[CH:38]=[N:37]1)[C:30]1[CH:31]=[CH:32][CH:33]=[CH:34][CH:35]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 65578Oxalyl chlorideHCID 81531DiisopropylethylamineHCID 213273171-benzyl-1H-indazol-4-amineHCID 67261208Lithium 7-(2-morpholinoethoxy)imidazo[1,2-a]pyridine-3-carboxylate

생성물 1

HCID 57384337N-(1-benzyl-1H-indazol-4-yl)-7-(2-morpholinoethoxy)imidazo[1,2-a]pyridine-3-carboxamide수율 12.2%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매
HCID 6344Dichloromethane용매

실험 절차

To a suspension of lithium 7-(2-morpholinoethoxy)imidazo[1,2-a]pyridine-3-carboxylate (42 mg, 0.142 mmol) in DCM were added oxalyl chloride (1.1 equivalents) and a drop of DMF. The mixture was stirred until gas evolution stopped. To the reaction mixture were then added 1-benzyl-1H-indazol-4-amine (31.6 mg, 0.142 mmol) and Hunig's base (1.2 equivalents). The reaction was stirred at ambient temperature for two hours and then concentrated. The residue was triturated with diethyl ether followed by chromatographic purification on silica with 10% MeOH/DCM as eluent to provide 8.6 mg of the desired product as a white solid. MS (ES+APCI) m/z=497 (M+H) detected.

후처리

  1. stirringThe reaction was stirred at ambient temperature for two hours
  2. concentrationconcentrated
  3. customThe residue was triturated with diethyl ether
  4. customfollowed by chromatographic purification on silica with 10% MeOH/DCM as eluent

출처 및 근거

ORD 기록
ord-235f6587fddf42a99d70b111099b9c60
출처 데이터셋
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09174981B2

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