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Methanol → [(4S)-5-(4-Fluorophenyl)-4-hydroxy-7-isopropyl-2,2-dimethyl-3,4-dihydro-2H-chromen-6-yl][4-(trifluoromethyl)phenyl]methanone

HRID 1516727
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1516727
N[C@@H]1C2C(=CC=CC=2)C[C@@H]1O.[F:12][C:13]1[CH:18]=[CH:17][C:16]([C:19]2[C:28]([C:29](=[O:40])[C:30]3[CH:35]=[CH:34][C:33]([C:36]([F:39])([F:38])[F:37])=[CH:32][CH:31]=3)=[C:27]([CH:41]([CH3:43])[CH3:42])[CH:26]=[C:25]3[C:20]=2[C:21](=[O:46])[CH2:22][C:23]([CH3:45])([CH3:44])[O:24]3)=[CH:15][CH:14]=1.CO>O1CCCC1>[F:12][C:13]1[CH:14]=[CH:15][C:16]([C:19]2[C:28]([C:29]([C:30]3[CH:35]=[CH:34][C:33]([C:36]([F:37])([F:38])[F:39])=[CH:32][CH:31]=3)=[O:40])=[C:27]([CH:41]([CH3:42])[CH3:43])[CH:26]=[C:25]3[C:20]=2[C@@H:21]([OH:46])[CH2:22][C:23]([CH3:44])([CH3:45])[O:24]3)=[CH:17][CH:18]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 887MethanolHCID 2725045(1R,2S)-(+)-cis-1-Amino-2-indanolHCID 580029755-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-6-[4-(trifluoromethyl)benzoyl]-2,3-dihydro-4H-chromen-4-one

Produkt 1

HCID 58002960[(4S)-5-(4-Fluorophenyl)-4-hydroxy-7-isopropyl-2,2-dimethyl-3,4-dihydro-2H-chromen-6-yl][4-(trifluoromethyl)phenyl]methanone

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel
2×

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

120 μl (680 μmol) of borane/N,N-diethylaniline complex are added slowly to a solution of 3.79 mg (30 μmol) of (1R,2S)-1-aminoindan-2-ol in 4 ml of tetrahydrofuran. The mixture is then cooled to 0° C., and a solution of 82 mg (170 μmol) of 5-(4-fluorophenyl)-7-isopropyl-2,2-dimethyl-6-[4-(trifluoromethyl)benzoyl]-2,3-dihydro-4H-chromen-4-one (Example 23A) in 4 ml of tetrahydrofuran is then slowly added dropwise. The mixture is allowed to thaw slowly and stirred at room temperature overnight. Methanol is then added, and the solvent is removed under reduced pressure. The residue is taken up in ethyl acetate and washed in each case twice with 1 M hydrochloric acid and saturated sodium bicarbonate solution and once with saturated sodium chloride solution. The organic phase is dried over sodium sulfate and then concentrated under reduced pressure. Purification of the residue by column chromatography on silica gel (mobile phase: gradient cyclohexane→cyclohexane/ethyl acetate 10:1) gives the target compound.

Aufarbeitung

  1. customthe solvent is removed under reduced pressure
  2. washwashed in each case twice with 1 M hydrochloric acid and saturated sodium bicarbonate solution and once with saturated sodium chloride solution
  3. dry with materialThe organic phase is dried over sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customPurification of the residue by column chromatography on silica gel (mobile phase: gradient cyclohexane→cyclohexane/ethyl acetate 10:1)
  6. customgives the target compound

Quellen und Nachweise

ORD-Eintrag
ord-4069a0b6db994eeda7da860eac4973e7
Quelldatensatz
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08227511B2

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