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1,1'-Carbonyldiimidazole → Benzyl 2-benzamido-7a-(5-bromo-2-fluoro-phenyl)-4,4a,5,7-tetrahydropyrrolo[3,4-d][1,3]thiazine-6-carboxylate

HRID 876726
ノート
印刷プレビュー

反応式

HRID 876726 の反応式
C(N1C=CN=C1)(N1C=CN=C1)=O.[C:13]([NH:21][C:22]([NH:24][C:25]1([C:42]2[CH:47]=[C:46]([Br:48])[CH:45]=[CH:44][C:43]=2[F:49])[CH:29]([CH2:30]O)[CH2:28][N:27]([C:32]([O:34][CH2:35][C:36]2[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=2)=[O:33])[CH2:26]1)=[S:23])(=[O:20])[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1>O1CCCC1.O>[C:13]([NH:21][C:22]1[S:23][CH2:30][CH:29]2[CH2:28][N:27]([C:32]([O:34][CH2:35][C:36]3[CH:37]=[CH:38][CH:39]=[CH:40][CH:41]=3)=[O:33])[CH2:26][C:25]2([C:42]2[CH:47]=[C:46]([Br:48])[CH:45]=[CH:44][C:43]=2[F:49])[N:24]=1)(=[O:20])[C:14]1[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=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 682631,1'-CarbonyldiimidazoleHCID 86762756Benzyl 3-(benzoylcarbamothioylamino)-3-(5-bromo-2-fluoro-phenyl)-4-(hydroxymethyl)pyrrolidine-1-carboxylate

生成物 1

HCID 86762759Benzyl 2-benzamido-7a-(5-bromo-2-fluoro-phenyl)-4,4a,5,7-tetrahydropyrrolo[3,4-d][1,3]thiazine-6-carboxylate収率 58.2%

試薬・触媒・溶媒 2

HCID 962Water溶媒
HCID 8028
Tetrahydrofuran
溶媒

実験手順

1,1′-carbonyldiimidazole (2.87 g, 17.7 mmol) is added to a solution of benzyl 3-(benzoylcarbamothioylamino)-3-(5-bromo-2-fluoro-phenyl)-4-(hydroxymethyl)pyrrolidine-1-carboxylate (5.198 g, 8.86 mmol) in tetrahydrofuran (52 mL). The mixture is stirred for 1.5 hours at room temperature and then the reaction is heated at reflux overnight under nitrogen. The reaction is cooled, diluted with water, and extracted with ethyl acetate (3×). The organic layers are combined, dried over sodium sulfate, filtered, and the solvent removed in vacuo. The crude product is purified over silica gel with a 30 minute 5% to 100% EtOAc in hexanes gradient to give the title compound (2.93 g, 58%). ES/MS (m/e): (79Br/81Br). 568/570 (M+H)

後処理

  1. temperaturethe reaction is heated
  2. temperatureat reflux overnight under nitrogen
  3. temperatureThe reaction is cooled
  4. extractionextracted with ethyl acetate (3×)
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. customthe solvent removed in vacuo
  8. customThe crude product is purified over silica gel with a 30 minute 5% to 100% EtOAc in hexanes gradient

出典と根拠

ORDレコード
ord-37bc02cdc5044ad2929b61dc91aea914
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08987254B2

反応ノート

読み込み中…

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