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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 77575
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HRID 77575 반응식
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
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 682631,1'-CarbonyldiimidazoleHCID 86762756Benzyl 3-(benzoylcarbamothioylamino)-3-(5-bromo-2-fluoro-phenyl)-4-(hydroxymethyl)pyrrolidine-1-carboxylate

생성물 1

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

시약·촉매·용매 2

HCID 962Water용매
HCID 8028
Tetrahydrofuran
용매

실험 절차

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)

후처리

  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

출처 및 근거

ORD 기록
ord-0fc2aa990d3941e19e51e9190dd65ee4
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08841293B1

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