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Triethylamine → Propyl (7R)-7-[[(4-fluorophenyl)sulfonyl]amino]-6,7,8,9-tetrahydropyrido[1,2-a]indole-10-acetate

HRID 475489
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 475489
[NH2:1][C@H:2]1[CH2:21][N:6]2[C:7]3[C:12]([C:13]([CH2:14][C:15]([O:17][CH2:18][CH2:19][CH3:20])=[O:16])=[C:5]2[CH2:4][CH2:3]1)=[CH:11][CH:10]=[CH:9][CH:8]=3.[F:22][C:23]1[CH:28]=[CH:27][C:26]([S:29](Cl)(=[O:31])=[O:30])=[CH:25][CH:24]=1.C(N(CC)CC)C>CN(C1C=CN=CC=1)C.C(Cl)Cl>[F:22][C:23]1[CH:28]=[CH:27][C:26]([S:29]([NH:1][C@H:2]2[CH2:21][N:6]3[C:7]4[C:12]([C:13]([CH2:14][C:15]([O:17][CH2:18][CH2:19][CH3:20])=[O:16])=[C:5]3[CH2:4][CH2:3]2)=[CH:11][CH:10]=[CH:9][CH:8]=4)(=[O:31])=[O:30])=[CH:25][CH:24]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 8471TriethylamineHCID 95884-Fluorobenzenesulfonyl chlorideHCID 58349691(R)-propyl 2-(7-amino-6,7,8,9-tetrahydropyrido[1,2-a]indol-10-yl)acetate

Produkt 1

HCID 58399163Propyl (7R)-7-[[(4-fluorophenyl)sulfonyl]amino]-6,7,8,9-tetrahydropyrido[1,2-a]indole-10-acetateAusbeute 97 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 14284
4-(Dimethylamino)pyridine
Katalysator
HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a CH2Cl2 solution (0.2 M) of propyl ([7R]-7-amino-6,7,8,9-tetrahydro-pyrido[1,2-α]indo1-10-yl)acetate from Step 6 was added 4-fluorobenzenesulfonyl chloride (1.1 equiv.) followed by triethylamine (3 equiv.) and DMAP (1 equiv.). The reaction mixture was stirred for 12 h at rt. The mixture was concentrated under reduced pressure, diluted with EtOAc, and washed with aqueous NaHCO3, water and finally with brine. The organic layer was dried with Na2SO4, filtered and concentrated. The residue was purified by column chromatography on silica gel using a CombiFlashRF (Teledyne ISCO) eluting with EtOAc/Hex (10:90 to 50:50) to give the title compound (97%) as a colorless foam.

Aufarbeitung

  1. concentrationThe mixture was concentrated under reduced pressure
  2. additiondiluted with EtOAc
  3. washwashed with aqueous NaHCO3, water and finally with brine
  4. dry with materialThe organic layer was dried with Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe residue was purified by column chromatography on silica gel using a CombiFlashRF (Teledyne ISCO)
  8. washeluting with EtOAc/Hex (10:90 to 50:50)

Quellen und Nachweise

ORD-Eintrag
ord-9eb9697f134b4b07aa6d73718b378104
Quelldatensatz
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08637541B2

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