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Acetamide → N-{5-[4-(2-Trimethylsilanyl-ethoxymethyl)-4,7-dihydro-1-thia-4,5-diaza-cyclopenta[a]pentalen-6-yl]-pyridin-2-yl}-acetamide

HRID 532634
ノート
印刷プレビュー

反応式

HRID 532634 の反応式
Br[C:2]1[N:7]=[CH:6][C:5]([C:8]2[C:12]3[CH2:13][C:14]4[S:15][CH:16]=[CH:17][C:18]=4[C:11]=3[N:10]([CH2:19][O:20][CH2:21][CH2:22][Si:23]([CH3:26])([CH3:25])[CH3:24])[N:9]=2)=[CH:4][CH:3]=1.[C:27]([NH2:30])(=[O:29])[CH3:28].C([O-])([O-])=O.[Cs+].[Cs+].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>O1CCOCC1.CC([O-])=O.CC([O-])=O.[Pd+2]>[CH3:24][Si:23]([CH3:26])([CH3:25])[CH2:22][CH2:21][O:20][CH2:19][N:10]1[C:11]2[C:18]3[CH:17]=[CH:16][S:15][C:14]=3[CH2:13][C:12]=2[C:8]([C:5]2[CH:4]=[CH:3][C:2]([NH:30][C:27](=[O:29])[CH3:28])=[N:7][CH:6]=2)=[N:9]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

7

反応物 4

HCID 178AcetamideHCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 866992316-(6-Bromo-pyridin-3-yl)-4-(2-trimethylsilanyl-ethoxymethyl)-4,7-dihydro-1-thia-4,5-diaza-cyclopenta[a]pentalene

生成物 1

HCID 86699232N-{5-[4-(2-Trimethylsilanyl-ethoxymethyl)-4,7-dihydro-1-thia-4,5-diaza-cyclopenta[a]pentalen-6-yl]-pyridin-2-yl}-acetamide
収率 71%

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate触媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

A mixture of the corresponding intermediate 6-(6-Bromo-pyridin-3-yl)-4-(2-trimethylsilanyl-ethoxymethyl)-4,7-dihydro-1-thia-4,5-diaza-cyclopenta[a]pentalene (0.45 g, 1.0 mmol), acetamide (0.15 g, 2.5 mmol), Cs2CO3 (2 M, 3.0 mL), Xantphos (58 mg, 0.1 mmol) and Pd(OAc)2 (22 mg, 0.1 mmol) in dioxane (5 mL) was heated at 100° C. for 8 hr. The solution was cooled to room temperature and extracted with ethyl acetate. The target product was purified by gravity column chromatography (50% EtOAc in hexane) to give N-{5-[4-(2-Trimethylsilanyl-ethoxymethyl)-4,7-dihydro-1-thia-4,5-diaza-cyclopenta[a]pentalen-6-yl]-pyridin-2-yl}-acetamide as brown solid in 71% yield.

後処理

  1. temperatureThe solution was cooled to room temperature
  2. extractionextracted with ethyl acetate
  3. customThe target product was purified by gravity column chromatography (50% EtOAc in hexane)

出典と根拠

ORDレコード
ord-e3c9bc7762cf4e66a031468aa7391508
出典データセット
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08853207B2

反応ノート

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