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Ethyl Acetate → methyl 1-(2-tert-butoxy-2-oxoethyl)-3-cyclohexyl-2-(2-formyl-3-thienyl)-1H-indole-6-carboxylate

HRID 1714040
ノート
印刷プレビュー

反応式

HRID 1714040 の反応式
Br[C:2]1[N:3]([CH2:21][C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[C:4]2[C:9]([C:10]=1[CH:11]1[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]1)=[CH:8][CH:7]=[C:6]([C:17]([O:19][CH3:20])=[O:18])[CH:5]=2.[CH:29]([C:31]1[S:32][CH:33]=[CH:34][C:35]=1B(O)O)=[O:30].C([O-])([O-])=O.[Na+].[Na+].CCOC(C)=O>O1CCOCC1.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[C:25]([O:24][C:22](=[O:23])[CH2:21][N:3]1[C:4]2[C:9](=[CH:8][CH:7]=[C:6]([C:17]([O:19][CH3:20])=[O:18])[CH:5]=2)[C:10]([CH:11]2[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]2)=[C:2]1[C:35]1[CH:34]=[CH:33][S:32][C:31]=1[CH:29]=[O:30])([CH3:28])([CH3:27])[CH3:26]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 8857Ethyl AcetateHCID 10340Sodium CarbonateHCID 27734262-Formyl-3-thiopheneboronic acidHCID 299433152-Bromo-1-tert-butoxycarbonylmethyl-3-cyclohexyl-1H-indole-6-carboxylic acid methyl ester

生成物 1

HCID 86604968methyl 1-(2-tert-butoxy-2-oxoethyl)-3-cyclohexyl-2-(2-formyl-3-thienyl)-1H-indole-6-carboxylate

試薬・触媒・溶媒 2

HCID 178418476HCID 178418476、化合物触媒
HCID 312751,4-Dioxane溶媒

実験手順

Methyl 2-bromo-1-(2-tert-butoxy-2-oxoethyl)-3-cyclohexyl-1H-indole-6-carboxylate (prepared as described in Example 1, Step 1) and (2-formyl-3-thienyl) boronic acid (1.5 eq) were dissolved in dioxane (0.07 M) and 2M aqueous Na2CO3 (6 eq) was added. The solution was degassed by bubbling argon, Pd(PPh3)2Cl2 (0.2 eq) was added, and the reaction mixture was refluxed for 45 min; after cooling EtOAc was added and the solution washed with water and brine, dried over Na2SO4 and concentrated. The title compound was isolated by chromatography (PE/EtOAc 9:1). Yield (84%); MS (ES+) m/z 504 (M+Na)+.

後処理

  1. customThe solution was degassed
  2. additionwas added
  3. temperaturethe reaction mixture was refluxed for 45 min
  4. additionwas added
  5. washthe solution washed with water and brine
  6. dry with materialdried over Na2SO4
  7. concentrationconcentrated

出典と根拠

ORDレコード
ord-f215ef09e56f4f488a04dfb2fe4ce3c5
出典データセット
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07795247B2

反応ノート

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