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Lawesson's reagent → HCID 69016906、化合物

HRID 1854467
ノート
印刷プレビュー

反応式

HRID 1854467 の反応式
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:9](=[CH:10][CH:11]=1)[N:8](C)[CH:7]=[C:6]2[C:13]1[N:25]([CH2:26][O:27][CH2:28][CH2:29][Si:30]([CH3:33])([CH3:32])[CH3:31])[C:16]2=[N:17][CH:18]=[C:19]([CH2:21][NH:22][CH:23]=O)[N:20]=[C:15]2[CH:14]=1.[CH3:34]OC1C=CC(P2(SP(C3C=CC(OC)=CC=3)(=S)S2)=S)=CC=1>O1CCOCC1.CCOC(C)=O>[CH3:1][O:2][C:3]1([CH3:34])[CH:11]=[CH:10][C:9]2[C:5]([C:6]([C:13]3[N:25]([CH2:26][O:27][CH2:28][CH2:29][Si:30]([CH3:33])([CH3:31])[CH3:32])[C:16]4[N:17]=[CH:18][C:19]5[N:20]([CH:23]=[N:22][CH:21]=5)[C:15]=4[CH:14]=3)=[CH:7][N:8]=2)=[CH:4]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

5

反応物 2

HCID 87949Lawesson's reagentHCID 58010272HCID 58010272、化合物

生成物 1

HCID 69016906HCID 69016906、化合物収率 82.5%

試薬・触媒・溶媒 2

HCID 8857Ethyl Acetate溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
80 °C

実験手順

N-((6-(5-Methoxy-1-methyl-1H-indol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl)methyl)formamide (0.10 g, 0.22 mmol) in 1,4-dioxane (4 mL) was treated with Lawesson's Reagent (0.053 g, 0.13 mmol) and heated to about 80° C. in an oil bath for about 15 min. The mixture was cooled and mercuric acetate (0.073 g, 0.23 mmol, Fluka) was added. The mixture was stirred for about 30 min at ambient temperature and another portion of mercuric acetate (0.073 g, 0.228 mmol, Fluka) was added and stirring was continued for about 2 h at ambient temperature. The mixture was diluted with EtOAc (20 mL) and filtered. The solvent was evaporated under reduced pressure then the material was purified by silica gel chromatography eluting with DCM/MeOH (95:5). The material obtained after concentration of the product-containing fractions was further purified by silica gel chromatography eluting with EtOAc to give 7-(5-methoxy-5-methyl-5H-indol-3-yl)-6-((2-(trimethylsilyl)ethoxy)methyl)-6H-imidazo[1,5-a]pyrrolo[2,3-e]pyrazine (0.048 g, 49%): LC/MS (Table 2, Method a) Rt=3.16 min; MS m/z: 448 (M+H)+.

後処理

  1. temperatureThe mixture was cooled
  2. stirringstirring
  3. waitwas continued for about 2 h at ambient temperature
  4. filtrationfiltered
  5. customThe solvent was evaporated under reduced pressure
  6. customthe material was purified by silica gel chromatography
  7. washeluting with DCM/MeOH (95:5)
  8. customThe material obtained after concentration of the product-containing fractions
  9. customwas further purified by silica gel chromatography
  10. washeluting with EtOAc

出典と根拠

ORDレコード
ord-8f66db087bde42cb94f99959dce09f72
出典データセット
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08962629B2

反応ノート

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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