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(5-Bromo-3-pyridinyl)methanol → 6-[5-(hydroxymethyl)pyrid-3-yl]-N-phenylimidazo[1,2-a]pyridine-2-carboxamide

HRID 2363696
ノート
印刷プレビュー

反応式

HRID 2363696 の反応式
C[Sn](C)(C)[C:3]1[CH:4]=[CH:5][C:6]2[N:7]([CH:9]=[C:10]([C:12]([NH:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=3)=[O:13])[N:11]=2)[CH:8]=1.Br[C:24]1[CH:25]=[C:26]([CH2:30][OH:31])[CH:27]=[N:28][CH:29]=1>[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CN(C)C=O>[OH:31][CH2:30][C:26]1[CH:25]=[C:24]([C:3]2[CH:4]=[CH:5][C:6]3[N:7]([CH:9]=[C:10]([C:12]([NH:14][C:15]4[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=4)=[O:13])[N:11]=3)[CH:8]=2)[CH:29]=[N:28][CH:27]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 2784733(5-Bromo-3-pyridinyl)methanolHCID 441359416-trimethylstannyl-N-phenylimidazo[1,2-a]pyridine-2-carboxamide2 回

生成物 1

HCID 687806576-[5-(hydroxymethyl)pyrid-3-yl]-N-phenylimidazo[1,2-a]pyridine-2-carboxamide収率 43.5%

試薬・触媒・溶媒 2

HCID 11979704Tetrakis(triphenylphosphine)palladium触媒
HCID 6228
Dimethylformamide
溶媒

実験手順

163 mg of 6-trimethylstannyl-N-phenylimidazo[1,2-a]pyridine-2-carboxamide (Intermediate 4), 310 mg of (5-bromopyrid-3-yl)methanol, 66 mg of tetrakis(triphenylphosphine)-palladium and 4 mL of N,N-dimethylformamide are placed in a microwave tube. The reaction mixture is heated for 20 minutes in a microwave machine set at 150° C. and concentrated to dryness. The residue is chromatographed on a silica cartridge, eluting with dichloromethane. The fractions containing the expected product are combined and evaporated to dryness under reduced pressure to give 61 mg of 6-[5-(hydroxymethyl)pyrid-3-yl]-N-phenylimidazo[1,2-a]pyridine-2-carboxamide in the form of a white solid.

後処理

  1. temperatureThe reaction mixture is heated for 20 minutes in a microwave machine
  2. customset at 150° C.
  3. concentrationconcentrated to dryness
  4. customThe residue is chromatographed on a silica cartridge
  5. washeluting with dichloromethane
  6. additionThe fractions containing the expected product
  7. customevaporated to dryness under reduced pressure

出典と根拠

ORDレコード
ord-84843b68228e4fc48db2843be8c4db7f
出典データセット
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08691990B2

反応ノート

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