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Methyl iodide → (S)-1-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-ylcarbamoyl)-7,7-dimethyl-3-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazin-7-ium iodide

HRID 1971112
ノート
印刷プレビュー

反応式

HRID 1971112 の反応式
[CH3:1][C:2]([CH3:28])([CH3:27])[C@H:3]([NH:8][C:9]([C:11]1[N:12]=[C:13]([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[N:14]2[CH2:19][CH2:18][N:17]([CH3:20])[CH2:16][C:15]=12)=[O:10])[C:4]([NH:6][CH3:7])=[O:5].[CH3:29][I:30]>CC(C)=O>[I-:30].[CH3:1][C:2]([CH3:28])([CH3:27])[C@H:3]([NH:8][C:9]([C:11]1[N:12]=[C:13]([C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=2)[N:14]2[CH2:19][CH2:18][N+:17]([CH3:29])([CH3:20])[CH2:16][C:15]=12)=[O:10])[C:4]([NH:6][CH3:7])=[O:5]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 6328Methyl iodideHCID 57635105(S)-N-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-yl)-7-methyl-3-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine-1-carboxamide2 回

生成物 1

HCID 86625730(S)-1-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-ylcarbamoyl)-7,7-dimethyl-3-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazin-7-ium iodide収率 24.6%

試薬・触媒・溶媒 1

HCID 180Acetone溶媒

実験手順

(S)—N-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-yl)-7-methyl-3-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine-1-carboxamide (Compound 48; 0.09 g, 0.24 mmol) was dissolved in acetone (2 mL) and methyl iodide (0.038 g, 0.26 mmol) was added. The reaction mixture was stirred for 18 hours. The mixture was concentrated, ethyl acetate was added and the resulting solid was filtered, washed with cold ethyl acetate and dried under vacuum to provide the desired product, Compound 311 (0.031 g, 24%) as a yellow solid. 1H-NMR (400 MHz, DMSO-d6) δ: 0.93 (s, 9H), 2.59 (d, 3H), 3.30 (s, 6H), 3.86 (t, 2H), 4.32 (d, 1H), 4.57 (t, 2H), 5.06 (dd, 2H), 7.54 (m, 4H), 7.82 (m, 2H), 8.17 (m, 1H); LCMS (+ESI) m/z 398.2 [M+H]+.

後処理

  1. concentrationThe mixture was concentrated
  2. additionethyl acetate was added
  3. filtrationthe resulting solid was filtered
  4. washwashed with cold ethyl acetate
  5. customdried under vacuum

出典と根拠

ORDレコード
ord-126bdc62f33c4dc79a03c3763cc34a73
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08431565B2

反応ノート

読み込み中…

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