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Pyrrole-2-Carboxylic Acid → (7S,10S,13S)-10-Isopropyl-9,12-dioxo-13-[(1H-pyrrole-2-carbonyl)-amino]-2-oxa-8,11-diaza-bicyclo[13.2.2]nonadeca-1(18),15(19),16-triene-7-carboxylic acid methyl ester

HRID 2371328
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2371328
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].[NH:31]1[CH:35]=[CH:34][CH:33]=[C:32]1[C:36](O)=[O:37].CCN(C(C)C)C(C)C.C1C=CC2N(O)N=NC=2C=1>CN(C=O)C.CCOC(C)=O.C(Cl)CCl>[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][C:36]([C:32]2[NH:31][CH:35]=[CH:34][CH:33]=2)=[O:37])[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

8

Edukt 4

HCID 12473Pyrrole-2-Carboxylic AcidHCID 757711-HydroxybenzotriazoleHCID 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 66846964
(7S,10S,13S)-10-Isopropyl-9,12-dioxo-13-[(1H-pyrrole-2-carbonyl)-amino]-2-oxa-8,11-diaza-bicyclo[13.2.2]nonadeca-1(18),15(19),16-triene-7-carboxylic acid methyl ester

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 111,2-DichloroethaneLösungsmittelHCID 6228DimethylformamideLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

Amine 47 (0.37 g) was dissolved in anhydrous DMF (5 mL). 1H-pyrrole-carboxylic acid (0.11 g), DIPEA (0.72 mL), EDC (0.25 g) and HOBt (0.2 g) 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 20% EtOAc/(50/70) petroleum ether to EtOAc to yield an off-white solid, 279 mg, 55%. Rf=0.15 (20% 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 20% EtOAc/(50/70) petroleum ether to EtOAc
  8. customto yield an off-white solid, 279 mg, 55%

Quellen und Nachweise

ORD-Eintrag
ord-d7ddace1f2f949658e3e499fc0510082
Quelldatensatz
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08710178B2

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