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Hydrochloric Acid → (RS)-S-(4-aminophenyl)-S-cyclopropyl-N-[2-(trimethylsilyl)ethylsulfonyl]sulfoximide

HRID 1391469
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HRID 1391469 반응식
[CH:1]1([S:4]([C:16]2[CH:21]=[CH:20][C:19]([N+:22]([O-])=O)=[CH:18][CH:17]=2)(=[N:6][S:7]([CH2:10][CH2:11][Si:12]([CH3:15])([CH3:14])[CH3:13])(=[O:9])=[O:8])=[O:5])[CH2:3][CH2:2]1.Cl.[OH-].[Na+].C(OCC)(=O)C>O1CCCC1.[Cl-].[Ti+3].[Cl-].[Cl-]>[NH2:22][C:19]1[CH:20]=[CH:21][C:16]([S:4]([CH:1]2[CH2:3][CH2:2]2)(=[N:6][S:7]([CH2:10][CH2:11][Si:12]([CH3:14])([CH3:15])[CH3:13])(=[O:8])=[O:9])=[O:5])=[CH:17][CH:18]=1
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참가 물질

7

반응물 4

HCID 313Hydrochloric AcidHCID 8857Ethyl AcetateHCID 14798Sodium HydroxideHCID 59252685(RS)-S-cyclopropyl-S-(4-nitrophenyl)-N-[2-(trimethylsilyl)ethyl-sulfonyl]sulfoximide

생성물 1

HCID 59674073(RS)-S-(4-aminophenyl)-S-cyclopropyl-N-[2-(trimethylsilyl)ethylsulfonyl]sulfoximide수율 72.8%

시약·촉매·용매 2

HCID 10313229
titanium(III) trichloride
촉매
HCID 8028Tetrahydrofuran용매

실험 절차

320 mg of (RS)-S-cyclopropyl-S-(4-nitrophenyl)-N-[2-(trimethylsilyl)ethyl-sulfonyl]sulfoximide is dissolved in 5 ml of tetrahydrofuran. While being cooled with ice, 7.2 ml of an approximately 10% by weight solution of titanium(III) chloride in 20-30% by weight of hydrochloric acid is added in drops. The solution is stirred for 16 hours at room temperature and poured onto ice. The pH is set at 8-9 with 15% sodium hydroxide solution. After ethyl acetate is added, the mixture is vigorously stirred. The precipitate is suctioned off and washed with 100 ml of ethyl acetate. The filtrates are combined, dried and concentrated by evaporation. After purification by flash chromatography, 215 mg of (RS)-S-(4-aminophenyl)-S-cyclopropyl-N-[2-(trimethylsilyl)ethylsulfonyl]sulfoximide is obtained.

후처리

  1. additionis added in drops
  2. additionpoured onto ice
  3. stirringthe mixture is vigorously stirred
  4. washwashed with 100 ml of ethyl acetate
  5. customdried
  6. concentrationconcentrated by evaporation
  7. customAfter purification by flash chromatography

출처 및 근거

ORD 기록
ord-1211b6a0311a41318472999831ea6f10
출처 데이터셋
uspto-grants-2008_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07338958B2

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