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Trifluoroacetic acid → 4-[(1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-[[3-(dimethylamino)propylamino]methyl]-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-1,2,3,4,5,6,7,7a,11,11b,12,13,13a,13b-tetradecahydrocyclopenta[a]chrysen-9-yl]benzoic acid

HRID 405061
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 405061
[CH3:1][N:2]([CH3:50])[CH2:3][CH2:4][CH2:5][NH:6][CH2:7][C@:8]12[CH2:46][CH2:45][C@@H:44]([C:47]([CH3:49])=[CH2:48])[C@@H:9]1[C@@H:10]1[C@@:23]([CH3:26])([CH2:24][CH2:25]2)[C@@:22]2([CH3:27])[C@@H:13]([C@:14]3([CH3:43])[C@@H:19]([CH2:20][CH2:21]2)[C:18]([CH3:29])([CH3:28])[C:17]([C:30]2[CH:42]=[CH:41][C:33]([C:34]([O:36]C(C)(C)C)=[O:35])=[CH:32][CH:31]=2)=[CH:16][CH2:15]3)[CH2:12][CH2:11]1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH3:50][N:2]([CH3:1])[CH2:3][CH2:4][CH2:5][NH:6][CH2:7][C@:8]12[CH2:46][CH2:45][C@@H:44]([C:47]([CH3:49])=[CH2:48])[C@@H:9]1[C@@H:10]1[C@@:23]([CH3:26])([CH2:24][CH2:25]2)[C@@:22]2([CH3:27])[C@@H:13]([C@:14]3([CH3:43])[C@@H:19]([CH2:20][CH2:21]2)[C:18]([CH3:29])([CH3:28])[C:17]([C:30]2[CH:31]=[CH:32][C:33]([C:34]([OH:36])=[O:35])=[CH:41][CH:42]=2)=[CH:16][CH2:15]3)[CH2:12][CH2:11]1
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Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 86676404HCID 86676404, Verbindung

Produkt 1

HCID 715967194-[(1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-[[3-(dimethylamino)propylamino]methyl]-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-1,2,3,4,5,6,7,7a,11,11b,12,13,13a,13b-tetradecahydrocyclopenta[a]chrysen-9-yl]benzoic acidAusbeute 73,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel

Versuchsvorschrift

To a solution of tert-butyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((3-(dimethylamino)propylamino)methyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoate (114 mg, 0.167 mmol) in DCM (1 ml) was added TFA (0.4 ml, 5.19 mmol). The mixture was stirred at rt for 5 h and was concentrated under reduced pressure. The residue was purified by prep HPLC. The fractions containing the expected product were combined and concentrated under reduced pressure to afford the title compound as a white solid (77 mg, 0.122 mmol, 73.3% yield). LCMS: m/e 629.6 (M−H)−, 2.22 min (method 6). 1H NMR (500 MHz, Acetic acid) δ ppm 8.03 (d, J=8.24 Hz, 2H) 7.30 (d, J=8.24 Hz, 2H), 5.37 (d, J=4.58 Hz, 1H), 4.79 (s, 1H), 4.68 (s, 1H), 3.32-3.44 (m, 3H), 3.25-3.32 (m, 2H), 2.96 (d, J=13.12 Hz, 1H), 2.89-2.94 (m, 6H), 2.49-2.58 (m, 1H), 2.30-2.38 (m, J=8.09, 7.86, 7.74, 7.74 Hz, 2H), 1.75 (s, 3H), 1.19 (s, 3H), 1.13-2.23 (m, 22H), 1.09 (s, 3H), 1.08 (s, 3H), 1.02 (s, 3H), 1.00 (s, 3H).

Aufarbeitung

  1. concentrationwas concentrated under reduced pressure
  2. customThe residue was purified by prep HPLC
  3. additionThe fractions containing the expected product
  4. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-1cae31aa6b364cc3a4663ebb4c20ce45
Quelldatensatz
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08748415B2

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