Formic Acid → (1aRS,7bSR)-5-{2-[((S)-1-ethylpyrrolidin-2-yl)cabonylaminomethyl]-4-fluorobenzenesulfonylamino}-1,1a,2,7b-tetrahydrocyclopropa-[c]chromene-4-carboxylic acid

HRID 927866Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 927866
[CH2:1]([N:3]1[CH2:7][CH2:6][CH2:5][C@H:4]1[C:8]([NH:10][CH2:11][C:12]1[CH:17]=[C:16]([F:18])[CH:15]=[CH:14][C:13]=1[S:19]([NH:22][C:23]1[C:32]([C:33]([O:35]C)=[O:34])=[C:31]2[C:26]([CH:27]3[CH2:37][CH:28]3[CH2:29][O:30]2)=[CH:25][CH:24]=1)(=[O:21])=[O:20])=[O:9])[CH3:2].[OH-].[Li+].C(O)=O>O1CCOCC1.O>[CH2:1]([N:3]1[CH2:7][CH2:6][CH2:5][C@H:4]1[C:8]([NH:10][CH2:11][C:12]1[CH:17]=[C:16]([F:18])[CH:15]=[CH:14][C:13]=1[S:19]([NH:22][C:23]1[C:32]([C:33]([OH:35])=[O:34])=[C:31]2[C:26]([CH:27]3[CH2:37][CH:28]3[CH2:29][O:30]2)=[CH:25][CH:24]=1)(=[O:20])=[O:21])=[O:9])[CH3:2]

Komponenten

6

Versuchsvorschrift

A mixture of methyl (1aRS,7bSR)-5-{2-[((S)-1-ethylpyrrolidin-2-yl)cabonylaminomethyl]-4-fluorobenzenesulfonylamino}-1,1a,2,7b-tetrahydrocyclopropa-[c]chromene-4-carboxylate (Intermediate 101, 0.212 g) and lithium hydroxide (0.05 g) in dioxane (5.5 mL) and water (2.5 mL) was irradiated in the microwave at 150° C. for 30 minutes. After cooling, the mixture was diluted with water, acidified with formic acid to pH5 and extracted with ethyl acetate. The organic layer was washed with water, dried (MgSO4) and filtered. The filtrate was evaporate to dryness and the residue was purified by HPLC (C18) eluting with a mixture of methanol and water, containing 0.1% formic acid, with a gradient of 35-75% to give (1aRS,7bSR)-5-{2-[((S)-1-ethylpyrrolidin-2-yl)cabonylaminomethyl]-4-fluorobenzenesulfonylamino}-1,1a,2,7b-tetrahydrocyclopropa-[c]chromene-4-carboxylic acid (0.064 g) as a white solid.

Aufarbeitung

  1. customwas irradiated in the microwave at 150° C. for 30 minutes
  2. temperatureAfter cooling
  3. extractionextracted with ethyl acetate
  4. washThe organic layer was washed with water
  5. dry with materialdried (MgSO4)
  6. filtrationfiltered
  7. customThe filtrate was evaporate to dryness
  8. customthe residue was purified by HPLC (C18)
  9. washeluting with a mixture of methanol and water
  10. additioncontaining 0.1% formic acid

Quellen und Nachweise

ORD-Eintrag
ord-a7bf1d4ee53a43159122a398c7d0f0dd
Quelldatensatz
uspto-grants-2016_03
Patentnummer
US09290472B2

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