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Ethyl Acetate → (7S,10S,13S)-10-Isopropyl-13-methanesulfonylamino-9,12-dioxo-2-oxa-8,11-diaza-bicyclo[13.2.2]nonadeca-1(18),15(19),16-triene-7-carboxylic acid methyl ester

HRID 58384
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 58384
Cl.[CH3:2][O:3][C:4]([C@H:6]1[NH:22][C:21](=[O:23])[C@H:20]([CH:24]([CH3:26])[CH3:25])[NH:19][C:18](=[O:27])[C@@H:17]([NH2:28])[CH2:16][C:15]2=[CH:29][CH:30]=[C:12]([CH:13]=[CH:14]2)[O:11][CH2:10][CH2:9][CH2:8][CH2:7]1)=[O:5].[CH3:31][S:32](Cl)(=[O:34])=[O:33].CCN(C(C)C)C(C)C.CCOC(C)=O>CN(C=O)C>[CH3:2][O:3][C:4]([C@H:6]1[NH:22][C:21](=[O:23])[C@H:20]([CH:24]([CH3:26])[CH3:25])[NH:19][C:18](=[O:27])[C@@H:17]([NH:28][S:32]([CH3:31])(=[O:34])=[O:33])[CH2:16][C:15]2=[CH:29][CH:30]=[C:12]([CH:13]=[CH:14]2)[O:11][CH2:10][CH2:9][CH2:8][CH2:7]1)=[O:5]
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Komponenten

6

Edukt 4

HCID 8857Ethyl AcetateHCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 86650244(7S,10S,13S)-13-Amino-10-isopropyl-9,12-dioxo-2-oxa-8,11-diaza-bicyclo[13.2.2]nonadeca-1-(18),15(19),16-triene-7-carboxylic acid methyl ester hydrogen chloride salt

Produkt 1

HCID 66847432
(7S,10S,13S)-10-Isopropyl-13-methanesulfonylamino-9,12-dioxo-2-oxa-8,11-diaza-bicyclo[13.2.2]nonadeca-1(18),15(19),16-triene-7-carboxylic acid methyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

Amine 47 (200 mg) was dissolved in anhydrous DMF (5 mL). Methane-sulfonyl chloride (39 μL) and DIPEA (0.175 mL) were added and the reaction mixture was stirred at rt for 18 h before being partitioned between chloroform and 1M hydrochloric acid. The aqueous phase was extracted three more times with chloroform and the combined organic extracts were dried (MgSO4), filtered and concentrated in vacuo. Purification was achieved using flash chromatography, eluting with a gradient of 1/1 EtOAc/(50/70) petroleum ether to EtOAc to yield a light brown solid, 40 mg, 17%. Rf=0.12 (1/1 EtOAc/(50/70) petroleum ether).

Aufarbeitung

  1. custombefore being partitioned between chloroform and 1M hydrochloric acid
  2. extractionThe aqueous phase was extracted three more times with chloroform
  3. dry with materialthe combined organic extracts were dried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customPurification
  7. washeluting with a gradient of 1/1 EtOAc/(50/70) petroleum ether to EtOAc
  8. customto yield a light brown solid, 40 mg, 17%

Quellen und Nachweise

ORD-Eintrag
ord-575659e4f17d478492d17ddc7a65ed3b
Quelldatensatz
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09434762B2

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