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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
ノート
印刷プレビュー

反応式

HRID 405061 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 6422Trifluoroacetic acidHCID 86676404HCID 86676404、化合物

生成物 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 acid収率 73.3%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-1cae31aa6b364cc3a4663ebb4c20ce45
出典データセット
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08748415B2

反応ノート

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