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2-Iodoxybenzoic acid → (1S,2S,3S,4R,5S)-2,3,4-tribenzyloxy-5-[4-chloro-3-[[4-(trifluoromethoxy) phenyl]methyl]phenyl]-6,8-dioxabicyclo[3.2.1]octane-1-carbaldehyde

HRID 1055540
ノート
印刷プレビュー

反応式

HRID 1055540 の反応式
[CH2:1]([O:8][C@H:9]1[C@H:15]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)[C@@H:14]([O:24][CH2:25][C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)[C@:13]2([C:33]3[CH:38]=[CH:37][C:36]([Cl:39])=[C:35]([CH2:40][C:41]4[CH:46]=[CH:45][C:44]([O:47][C:48]([F:51])([F:50])[F:49])=[CH:43][CH:42]=4)[CH:34]=3)[O:32][C@@:10]1([CH2:52][OH:53])[CH2:11][O:12]2)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.I(C1C=CC=CC=1C(O)=O)(=O)=O>C(OCC)(=O)C>[CH2:1]([O:8][C@H:9]1[C@H:15]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)[C@@H:14]([O:24][CH2:25][C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)[C@:13]2([C:33]3[CH:38]=[CH:37][C:36]([Cl:39])=[C:35]([CH2:40][C:41]4[CH:42]=[CH:43][C:44]([O:47][C:48]([F:51])([F:50])[F:49])=[CH:45][CH:46]=4)[CH:34]=3)[O:32][C@@:10]1([CH:52]=[O:53])[CH2:11][O:12]2)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=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 1087942-Iodoxybenzoic acidHCID 86685144[(1S,2S,3S,4R,5S)-2,3,4-tribenzyloxy-5-[4-chloro-3-[[4-(trifluoromethoxy)phenyl]methyl]phenyl]-6,8-dioxabicyclo[3.2.1]octan-1-yl]methanol

生成物 1

HCID 118377816(1S,2S,3S,4R,5S)-2,3,4-tribenzyloxy-5-[4-chloro-3-[[4-(trifluoromethoxy) phenyl]methyl]phenyl]-6,8-dioxabicyclo[3.2.1]octane-1-carbaldehyde収率 101.4%

試薬・触媒・溶媒 1

HCID 8857
Ethyl Acetate
溶媒

実験手順

To a solution of [(1S,2S,3S,4R,5S)-2,3,4-tribenzyloxy-5-[4-chloro-3-[[4-(trifluoromethoxy)phenyl]methyl]phenyl]-6,8-dioxabicyclo[3.2.1]octan-1-yl]methanol 15o (0.7 g, 0.94 mmol) in ethyl acetate (30 mL) was added 2-iodoxybenzoic acid (0.79 g, 2.81 mmol) at room temperature. The mixture was refluxed for 24 hours and filtered. The filtrate was washed with saturated aqueous sodium bicarbonate (10 mL×2) and saturated aqueous sodium chloride (10 mL×2) in turn, dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated in vacuo to give the title compound 15p as yellow oil (0.71 g, 100%). This material was not further purified.

後処理

  1. temperatureThe mixture was refluxed for 24 hours
  2. filtrationfiltered
  3. washThe filtrate was washed with saturated aqueous sodium bicarbonate (10 mL×2) and saturated aqueous sodium chloride (10 mL×2) in turn
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated in vacuo

出典と根拠

ORDレコード
ord-bd92a527b62047e9a06381f3fa5762df
出典データセット
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09394329B2

反応ノート

読み込み中…

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