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Dimethylformamide → 3-[4-(benzyloxy)phenyl]-1-ethyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile

HRID 1429982
ノート
印刷プレビュー

反応式

HRID 1429982 の反応式
[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][C:12]([N:15]2[C:19]3=[N:20][CH:21]=[C:22](Cl)[CH:23]=[C:18]3[N:17]([CH2:25][CH3:26])[C:16]2=[O:27])=[CH:11][CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C1(P(C2CCCCC2)C2C=CC=CC=2C2C(OC)=CC=CC=2OC)CCCCC1.[CH3:57][N:58](C=O)C>[C-]#N.[Zn+2].[C-]#N.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH2:1]([O:8][C:9]1[CH:14]=[CH:13][C:12]([N:15]2[C:19]3=[N:20][CH:21]=[C:22]([C:57]#[N:58])[CH:23]=[C:18]3[N:17]([CH2:25][CH3:26])[C:16]2=[O:27])=[CH:11][CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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 3

HCID 6228DimethylformamideHCID 112698722-Dicyclohexylphosphino-2',6'-dimethoxybiphenylHCID 585773703-[4-(benzyloxy)phenyl]-6-chloro-1-ethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

生成物 1

HCID 585774053-[4-(benzyloxy)phenyl]-1-ethyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile

試薬・触媒・溶媒 2

HCID 11186Zinc cyanide (Zn(CN)2)
触媒
HCID 9811564Bis(dibenzylideneacetone)palladium触媒

反応条件

温度
150 °C

実験手順

The mixture of 3-[4-(benzyloxy)phenyl]-6-chloro-1-ethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (1 g), zinc cyanide (2.474 g), 2-dicyclohexylphosphino-2′,6′-dimethoxy-1,1′-biphenyl (0.216 g), Pd2(dba)3 (0.241 g) and DMF (20 mL) was heated at 150° C. for 1 h under microwave irradiation. The solid was removed by filtration, and the filtrate was concentrated in vacuo. The residue was purified by column chromatography (silica gel, eluted with 0%-50% EtOAc in hexane) to give 3-[4-(benzyloxy)phenyl]-1-ethyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carbonitrile (710 mg) as colorless oil.

後処理

  1. customThe solid was removed by filtration
  2. concentrationthe filtrate was concentrated in vacuo
  3. customThe residue was purified by column chromatography (silica gel, eluted with 0%-50% EtOAc in hexane)

出典と根拠

ORDレコード
ord-3a2ccd73f6f340cf9fbba7248834d53f
出典データセット
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08940758B2

反応ノート

読み込み中…

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