Triethylamine → (2S,3S,4S,5R,6R)-6-((4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((2-(1,1-dioxidothiomorpholino)ethyl)amino)-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)benzoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

HRID 85711

반응식

HRID 85711 반응식
[O:1]=[S:2]1(=[O:68])[CH2:7][CH2:6][N:5]([CH2:8][CH2:9][NH:10][C@:11]23[CH2:64][CH2:63][C@@H:62]([C:65]([CH3:67])=[CH2:66])[C@@H:12]2[C@@H:13]2[C@@:26]([CH3:29])([CH2:27][CH2:28]3)[C@@:25]3([CH3:30])[C@@H:16]([C@:17]4([CH3:61])[C@@H:22]([CH2:23][CH2:24]3)[C:21]([CH3:32])([CH3:31])[C:20]([C:33]3[CH:60]=[CH:59][C:36]([C:37]([O:39][C@H:40]5[O:45][C@H:44]([C:46]([O:48]CC6C=CC=CC=6)=[O:47])[C@@H:43]([OH:56])[C@H:42]([OH:57])[C@H:41]5[OH:58])=[O:38])=[CH:35][CH:34]=3)=[CH:19][CH2:18]4)[CH2:15][CH2:14]2)[CH2:4][CH2:3]1.C([SiH](C)C)(C)(C)C.C(N(CC)CC)C.CCCC[N+](CCCC)(CCCC)CCCC.[F-]>ClC(Cl)C.C1COCC1.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[O:68]=[S:2]1(=[O:1])[CH2:3][CH2:4][N:5]([CH2:8][CH2:9][NH:10][C@:11]23[CH2:64][CH2:63][C@@H:62]([C:65]([CH3:67])=[CH2:66])[C@@H:12]2[C@@H:13]2[C@@:26]([CH3:29])([CH2:27][CH2:28]3)[C@@:25]3([CH3:30])[C@@H:16]([C@:17]4([CH3:61])[C@@H:22]([CH2:23][CH2:24]3)[C:21]([CH3:31])([CH3:32])[C:20]([C:33]3[CH:60]=[CH:59][C:36]([C:37]([O:39][C@H:40]5[O:45][C@H:44]([C:46]([OH:48])=[O:47])[C@@H:43]([OH:56])[C@H:42]([OH:57])[C@H:41]5[OH:58])=[O:38])=[CH:35][CH:34]=3)=[CH:19][CH2:18]4)[CH2:15][CH2:14]2)[CH2:6][CH2:7]1

참가 물질

8

반응 조건

온도
60 °C

실험 절차

A mixture of (2S,3S,4S,5R,6R)-benzyl 6-((4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((2-(1,1-dioxidothiomorpholino)ethyl)amino)-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)benzoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylate (8 mg, 8.36 mmol), tert-butyldimethylsilane (1.943 mg, 0.017 mmol), palladium acetate (3.75 mg, 0.017 mmol) and triethylamine (5.82 μl, 0.042 mmol) in dichloroethane (1 mL) was heated up at 60° C. for 2 hours. The reaction mixture was cooled to room temperature, filtered and the filtrates were concentrated to provide the residue. To this residue in THF (1.0 mL) was added TBAF (10.93 mg, 0.042 mmol), the reaction mixture was stirred for 1 hours. The reaction mixture was then purified by prep. HPLC to provide the desired product as a colorless oil (4 mg, 52%). LCMS: m/e 867.69 (M+H)+, 2.42 min (method 10). 1H NMR (500 MHz, Acetic) δ 8.06 (d, J=8.2 Hz, 2H), 7.31 (d, J=8.2 Hz, 2H), 5.96 (d, J=7.9 Hz, 1H), 5.37 (d, J=4.4 Hz, 1H), 4.84 (s, 1H), 4.74 (s, 1H), 4.40-4.16 (m, 1H), 4.02-3.76 (m, 3H), 3.46 (d, J=12.3 Hz, 1H), 3.37-3.22 (m, 6H), 3.20-3.11 (m, 3H), 3.07 (br. s., 2H), 3.00-2.82 (m, 1H), 2.37-1.03 (m, 22H), 1.76 (s, 3H), 1.29 (s, 3H), 1.14 (s, 3H), 1.10 (s, 3H), 1.02 (s, 3H), 0.99 (s, 3H).

후처리

  1. temperatureThe reaction mixture was cooled to room temperature
  2. filtrationfiltered
  3. concentrationthe filtrates were concentrated
  4. customto provide the residue
  5. customThe reaction mixture was then purified by prep

출처 및 근거

ORD 기록
ord-051becbae45c414caf8a2ccb979a8349
출처 데이터셋
uspto-grants-2014_09
특허 번호
US08846647B2

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