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Azetidine → 4-(azetidine-1-carbonyl)-2-methyl-2H-pyrazole-3-carboxylic acid (2-isopropyl-[1,2,4]triazolo[1,5-a]pyridin-7-yl)-amide

HRID 1802225
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HRID 1802225 반응식
[CH:1]([C:4]1[N:24]=[C:7]2[CH:8]=[C:9]([NH:12][C:13]([C:15]3[N:19]([CH3:20])[N:18]=[CH:17][C:16]=3[C:21](O)=[O:22])=[O:14])[CH:10]=[CH:11][N:6]2[N:5]=1)([CH3:3])[CH3:2].[NH:25]1[CH2:28][CH2:27][CH2:26]1.CCCP(=O)=O.C(N(C(C)C)CC)(C)C>O1CCCC1>[CH:1]([C:4]1[N:24]=[C:7]2[CH:8]=[C:9]([NH:12][C:13]([C:15]3[N:19]([CH3:20])[N:18]=[CH:17][C:16]=3[C:21]([N:25]3[CH2:28][CH2:27][CH2:26]3)=[O:22])=[O:14])[CH:10]=[CH:11][N:6]2[N:5]=1)([CH3:2])[CH3:3]
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6

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HCID 10422AzetidineHCID 81531DiisopropylethylamineHCID 16167369Propylphosphoric anhydrideHCID 677767115-(2-isopropyl-[1,2,4]triazolo[1,5-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

생성물 1

HCID 573780654-(azetidine-1-carbonyl)-2-methyl-2H-pyrazole-3-carboxylic acid (2-isopropyl-[1,2,4]triazolo[1,5-a]pyridin-7-yl)-amide수율 94.6%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

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온도
25 °C

실험 절차

A mixture of 5-(2-isopropyl-[1,2,4]triazolo[1,5-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid (70 mg, 213 μmol), azetidine (71.6 μl, 1.07 mmol), propylphosphonic anhydride (50% in ethyl acetate, 314 μl, 533 μmol) and diisopropylethylamine (112 μl, 640 μmol) in tetrahydrofuran (4 ml) was stirred for 3.5 days (weekend) at 25° C. The solvent was evaporated, the residue was triturated with sodium hydrogencarbonate solution. The precipitated solid was filtered off, washed with water and dried affording 4-(azetidine-1-carbonyl)-2-methyl-2H-pyrazole-3-carboxylic acid (2-isopropyl-[1,2,4]triazolo[1,5-a]pyridin-7-yl)-amide (74 mg, 94.5%) as a white solid. mp: 226-227° C., MS: m/z=366.1 (M−H+)

후처리

  1. customThe solvent was evaporated
  2. customthe residue was triturated with sodium hydrogencarbonate solution
  3. filtrationThe precipitated solid was filtered off
  4. washwashed with water
  5. customdried

출처 및 근거

ORD 기록
ord-9c54c0a6441d47e08c977b9e9e272095
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08349824B2

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