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Hydrochloric Acid → (2S,4R)-4-hydroxy-2-(1-methyl-1H-tetrazol-5-yl)thiomethyl-1-(4-nitrobenzyloxycarbonyl)pyrrolidine

HRID 1088969
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1088969
[Si]([O:8][C@H:9]1[CH2:13][N:12]([C:14]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=2)=[O:15])[C@H:11]([CH2:27][S:28][C:29]2[N:33]([CH3:34])[N:32]=[N:31][N:30]=2)[CH2:10]1)(C(C)(C)C)(C)C.Cl>CO>[OH:8][C@H:9]1[CH2:13][N:12]([C:14]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=2)=[O:15])[C@H:11]([CH2:27][S:28][C:29]2[N:33]([CH3:34])[N:32]=[N:31][N:30]=2)[CH2:10]1
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Komponenten

4

Edukt 2

HCID 313Hydrochloric AcidHCID 18641558(2S,4R)-4-t-butyldimethylsilyloxy-2-(1-methyl-1H-tetrazol-5-yl)thiomethyl-1-(4-nitrobenzyloxycarbonyl)pyrrolidine

Produkt 1

HCID 18641555(2S,4R)-4-hydroxy-2-(1-methyl-1H-tetrazol-5-yl)thiomethyl-1-(4-nitrobenzyloxycarbonyl)pyrrolidineAusbeute 96,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

To a solution of (2S,4R)-4-t-butyldimethylsilyloxy-2-(1-methyl-1H-tetrazol-5-yl)thiomethyl-1-(4-nitrobenzyloxycarbonyl)pyrrolidine (1.67 g) in methanol (30 ml) was added conc. hydrochloric acid (0.82 ml) at ambient temperature. After stirring at the same temperature for 1 hour, the reaction mixture was concentrated under reduced pressure. The resulting residue was dissolved in ethyl acetate (80 ml). The solution was washed with saturated aqueous sodium hydrogen carbonate and saturated aqueous sodium chloride successively, dried over anhydrous magnesium sulfate, and evaporated in vacuo to give (2S,4R)-4-hydroxy-2-(1-methyl-1H-tetrazol-5-yl)thiomethyl-1-(4-nitrobenzyloxycarbonyl)pyrrolidine (1.25 g).

Aufarbeitung

  1. concentrationthe reaction mixture was concentrated under reduced pressure
  2. dissolutionThe resulting residue was dissolved in ethyl acetate (80 ml)
  3. washThe solution was washed with saturated aqueous sodium hydrogen carbonate and saturated aqueous sodium chloride successively
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customevaporated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-6248fb7cf7b2439b842b1aa1785fba93
Quelldatensatz
uspto-grants-1990_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04963543

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