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4,6-Dimethyl-2-(4-nitrobenzyloxycarbonylthio)pyrimidine → (2R,4R)-1-p-nitrobenzyloxycarbonyl-2-(4-t-butoxycarbonylbutyl)-4-t-butyldimethylsilyloxypyrrolidine

HRID 1088282
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HRID 1088282 반응식
[N+:1]([C:4]1[CH:22]=[CH:21][C:7]([CH2:8][O:9][C:10](SC2N=C(C)C=C(C)N=2)=[O:11])=[CH:6][CH:5]=1)([O-:3])=[O:2].[C:23]([O:27][C:28]([CH2:30][CH2:31][CH2:32][CH2:33][C@@H:34]1[CH2:38][C@@H:37]([O:39][Si:40]([C:43]([CH3:46])([CH3:45])[CH3:44])([CH3:42])[CH3:41])[CH2:36][NH:35]1)=[O:29])([CH3:26])([CH3:25])[CH3:24]>O1CCCC1.C(OCC)(=O)C>[N+:1]([C:4]1[CH:5]=[CH:6][C:7]([CH2:8][O:9][C:10]([N:35]2[CH2:36][C@H:37]([O:39][Si:40]([C:43]([CH3:46])([CH3:45])[CH3:44])([CH3:42])[CH3:41])[CH2:38][C@H:34]2[CH2:33][CH2:32][CH2:31][CH2:30][C:28]([O:27][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:29])=[O:11])=[CH:21][CH:22]=1)([O-:3])=[O:2]
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참가 물질

5

반응물 2

HCID 135043164,6-Dimethyl-2-(4-nitrobenzyloxycarbonylthio)pyrimidineHCID 15671521(2R,4R)-2-(4-t-butoxycarbonylbutyl)-4-t-butyldimethylsilyloxypyrrolidine

생성물 1

HCID 15671522(2R,4R)-1-p-nitrobenzyloxycarbonyl-2-(4-t-butoxycarbonylbutyl)-4-t-butyldimethylsilyloxypyrrolidine

시약·촉매·용매 2

HCID 8028Tetrahydrofuran용매HCID 8857
Ethyl Acetate
용매

실험 절차

S-p-Nitrobenzyloxycarbonyl-4,6-dimethyl-2-mercaptopyrimidine (719 mg) was added to 770 mg of (2R,4R)-2-(4-t-butoxycarbonylbutyl)-4-t-butyldimethylsilyloxypyrrolidine in 7 ml of tetrahydrofuran and stirred at room temperature for 2 hours. The reaction mixture was diluted with ethyl acetate, washed successively with brine, dilute hydrochloric acid and brine, dried over anhydrous sodium sulfate and distilled to remove the solvent. The residue was purified by silica gel chromatography to obtain (2R,4R)-1-p-nitrobenzyloxycarbonyl-2-(4-t-butoxycarbonylbutyl)-4-t-butyldimethylsilyloxypyrrolidine.

후처리

  1. washwashed successively with brine, dilute hydrochloric acid and brine
  2. dry with materialdried over anhydrous sodium sulfate
  3. distillationdistilled
  4. customto remove the solvent
  5. customThe residue was purified by silica gel chromatography

출처 및 근거

ORD 기록
ord-7dde82a565624ae0977c5122641c87fc
출처 데이터셋
uspto-grants-1990_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04962103

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