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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
ノート
印刷プレビュー

反応式

HRID 1802225 の反応式
[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]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

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

生成物 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)-amide収率 94.6%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
25 °C

実験手順

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+)

後処理

  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

出典と根拠

ORDレコード
ord-9c54c0a6441d47e08c977b9e9e272095
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08349824B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート