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Trisodium;borate;decahydrate → 3-Amino-3-methoxy-2-oxo-1-azetidinesulfonic acid tetrabutylammonium salt

HRID 867633
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 867633
O.O.O.O.O.O.O.O.O.O.B([O-])([O-])[O-].[Na+].[Na+].[Na+].[CH2:18]([N+:22]([CH2:31][CH2:32][CH2:33][CH3:34])([CH2:27][CH2:28][CH2:29][CH3:30])[CH2:23][CH2:24][CH2:25][CH3:26])[CH2:19][CH2:20][CH3:21].[CH3:35][O:36][C:37]1([NH:46]C(OCC2C=CC=CC=2)=O)[CH2:40][N:39]([S:41]([O-:44])(=[O:43])=[O:42])[C:38]1=[O:45]>CO.[Pd]>[CH2:31]([N+:22]([CH2:18][CH2:19][CH2:20][CH3:21])([CH2:23][CH2:24][CH2:25][CH3:26])[CH2:27][CH2:28][CH2:29][CH3:30])[CH2:32][CH2:33][CH3:34].[NH2:46][C:37]1([O:36][CH3:35])[CH2:40][N:39]([S:41]([O-:44])(=[O:42])=[O:43])[C:38]1=[O:45]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 18377803Trisodium;borate;decahydrateHCID 1317142663-Methoxy-2-oxo-3-[[(phenylmethoxy)carbonyl]amino]-1-azetidinesulfonic acid, tetrabutylammonium salt

Produkt 1

HCID 1317142653-Amino-3-methoxy-2-oxo-1-azetidinesulfonic acid tetrabutylammonium saltAusbeute 76,2 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23938PalladiumKatalysator
HCID 887
Methanol
Lösungsmittel
3×

Versuchsvorschrift

A 4% sodium borate decahydrate in methanol solution (100 μl) is added to a suspension of 10% palladium on charcoal (30 mg) in methanol (2 ml), and the mixture is stirred under an atmosphere of hydrogen for 15 minutes. 3-Methoxy-2-oxo-3-[[(phenylmethoxy)carbonyl]amino]-1-azetidinesulfonic acid, tetrabutylammonium salt (60 mg; see Example 49) in methanol (2 ml) is added and the mixture is vigorously stirred for 15 minutes under a hydrogen atmosphere. Catalyst is removed by filtration through Celite on a millipore filter (0.5 mμ), and solvent is removed from the filtrate in vacuo, and the residue is extracted with methylene chloride. Removal of solvent under reduced pressure yields 35 mg of the title compound, as an oil.

Aufarbeitung

  1. stirringthe mixture is vigorously stirred for 15 minutes under a hydrogen atmosphere
  2. customCatalyst is removed by filtration through Celite on a millipore
  3. filtrationfilter (0.5 mμ), and solvent
  4. customis removed from the filtrate in vacuo
  5. extractionthe residue is extracted with methylene chloride
  6. customRemoval of solvent under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-912e3efdf95c4222b59447ed65508ac9
Quelldatensatz
uspto-grants-1988_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04775670

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