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Sodium Hydroxide → 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(2,2-dimethoxyethylamino)-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)benzoic acid

HRID 85645
ノート
印刷プレビュー

反応式

HRID 85645 の反応式
[CH3:1][O:2][CH:3]([O:45][CH3:46])[CH2:4][NH:5][C@:6]12[CH2:41][CH2:40][C@@H:39]([C:42]([CH3:44])=[CH2:43])[C@@H:7]1[C@@H:8]1[C@@:21]([CH3:24])([CH2:22][CH2:23]2)[C@@:20]2([CH3:25])[C@@H:11]([C@:12]3([CH3:38])[C@@H:17]([CH2:18][CH2:19]2)[C:16]([CH3:27])([CH3:26])[C:15]([C:28]2[CH:37]=[CH:36][C:31]([C:32]([O:34]C)=[O:33])=[CH:30][CH:29]=2)=[CH:14][CH2:13]3)[CH2:10][CH2:9]1.[OH-].[Na+]>O1CCOCC1.CO>[CH3:1][O:2][CH:3]([O:45][CH3:46])[CH2:4][NH:5][C@:6]12[CH2:41][CH2:40][C@@H:39]([C:42]([CH3:44])=[CH2:43])[C@@H:7]1[C@@H:8]1[C@@:21]([CH3:24])([CH2:22][CH2:23]2)[C@@:20]2([CH3:25])[C@@H:11]([C@:12]3([CH3:38])[C@@H:17]([CH2:18][CH2:19]2)[C:16]([CH3:27])([CH3:26])[C:15]([C:28]2[CH:29]=[CH:30][C:31]([C:32]([OH:34])=[O:33])=[CH:36][CH:37]=2)=[CH:14][CH2:13]3)[CH2:10][CH2:9]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 14798Sodium HydroxideHCID 68358150methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(2,2-dimethoxyethylamino)-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

生成物 1

HCID 683581394-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(2,2-dimethoxyethylamino)-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)benzoic acid
収率 66.1%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
85 °C

実験手順

To a solution of methyl 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-(2,2-dimethoxyethylamino)-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 (0.025 g, 0.040 mmol) in 1,4-dioxane (1 mL) was added NaOH (1N) (0.198 mL, 0.198 mmol). The mixture was heated to 85° C. After 6 h of heating, the mixture was cooled to rt, the reaction mixture was diluted with MeOH and was purified by prep HPLC. The fractions containing the expected product were combined and were concentrated under reduced pressure to give the title compound (17 mg, 0.026 mmol, 66.1% yield) as a clear film. LCMS: m/e 618.8 (M+H)+, 2.28 min (method 11). 1H NMR (500 MHz, CHLOROFORM-d) d ppm 7.99 (d, J=7.93 Hz, 2H), 7.20 (d, J=7.93 Hz, 2H), 5.28 (d, J=4.88 Hz, 1H), 5.12 (br. s., 1H), 4.72 (s, 1H), 4.58 (s, 1H), 4.53 (t, J=5.49 Hz, 1H), 3.44 (s, 3H), 3.41 (s, 3H), 2.64-2.74 (m, 2H), 2.60 (dd, J=11.44, 6.56 Hz, 1H), 1.97-2.13 (m, 2H), 1.86-1.95 (m, 2H), 1.81 (dd, J=12.51, 8.24 Hz, 1H), 1.68 (s, 3H), 1.11 (s, 3H), 0.98 (s, 3H), 0.97 (br. s., 3H), 0.95-1.72 (m, 17H), 0.93 (br. s., 6H).

後処理

  1. temperatureAfter 6 h of heating
  2. temperaturethe mixture was cooled to rt
  3. customwas purified by prep HPLC
  4. additionThe fractions containing the expected product
  5. concentrationwere concentrated under reduced pressure

出典と根拠

ORDレコード
ord-9d1c1fe9f7844cb6b7a834907aba26f2
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846647B2

反応ノート

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