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(1AR,7bS)-methyl 5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate → methyl (1aR,7bS)-5-[2-(1-ethylpiperidin-3-ylmethyl)-4-fluoro-benzenesulfonylamino]-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

HRID 928075
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 928075
[CH2:1]([N:3]1[CH2:8][CH2:7][CH2:6][CH:5]([CH2:9][C:10]2[CH:15]=[C:14]([F:16])[CH:13]=[CH:12][C:11]=2[S:17](Cl)(=[O:19])=[O:18])[CH2:4]1)[CH3:2].[NH2:21][C:22]1[C:31]([C:32]([O:34][CH3:35])=[O:33])=[C:30]2[C:25]([C@H:26]3[CH2:36][C@H:27]3[CH2:28][O:29]2)=[CH:24][CH:23]=1>C(Cl)Cl.N1C=CC=CC=1>[CH2:1]([N:3]1[CH2:8][CH2:7][CH2:6][CH:5]([CH2:9][C:10]2[CH:15]=[C:14]([F:16])[CH:13]=[CH:12][C:11]=2[S:17]([NH:21][C:22]2[C:31]([C:32]([O:34][CH3:35])=[O:33])=[C:30]3[C:25]([C@H:26]4[CH2:36][C@H:27]4[CH2:28][O:29]3)=[CH:24][CH:23]=2)(=[O:19])=[O:18])[CH2:4]1)[CH3:2]
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Komponenten

5

Edukt 2

HCID 86713369(1AR,7bS)-methyl 5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate2×HCID 867133742-(1-Ethylpiperidin-3-ylmethyl)-4-fluorobenzenesulfonyl chloride2×

Produkt 1

HCID 71006889methyl (1aR,7bS)-5-[2-(1-ethylpiperidin-3-ylmethyl)-4-fluoro-benzenesulfonylamino]-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylateAusbeute 21,5 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 1049
Pyridine
Lösungsmittel
HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

2-(1-Ethylpiperidin-3-ylmethyl)-4-fluorobenzenesulfonyl chloride (Intermediate 222, 0.21 g) was added to a solution of methyl (1aR,7bS)-5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate (Intermediate 42A 0.290 g) in DCM (10 mL) and pyridine (2 mL) and the resultant mixture was stirred at room temperature for 4 hours. The mixture was evaporated to dryness and the residue was partitioned between DCM and water. The organic layer was dried (Na2SO4), filtered and the filtrate was concentrated in vacuo. The residue was purified by chromatography on silica eluting with a mixture of 2M ammonia in methanol and DCM with a gradient of 0-15% to give methyl (1aR,7bS)-5-[2-(1-ethylpiperidin-3-ylmethyl)-4-fluoro-benzenesulfonylamino]-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate (0.071 g).

Aufarbeitung

  1. customThe mixture was evaporated to dryness
  2. customthe residue was partitioned between DCM and water
  3. dry with materialThe organic layer was dried (Na2SO4)
  4. filtrationfiltered
  5. concentrationthe filtrate was concentrated in vacuo
  6. customThe residue was purified by chromatography on silica eluting with a mixture of 2M ammonia in methanol and DCM with a gradient of 0-15%

Quellen und Nachweise

ORD-Eintrag
ord-aaa23cb557c54a48b1d380b6c33530a6
Quelldatensatz
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09290472B2

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