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Water → 3-(4-Isopropylphenyl)-5-(4-methoxybenzyloxy)-1',4,6,7-tetramethylspiro[benzofuran-2(3H), 4'-piperidine]

HRID 1743234
ノート
印刷プレビュー

反応式

HRID 1743234 の反応式
[H-].[Na+].[CH:3]([C:6]1[CH:11]=[CH:10][C:9]([CH:12]2[C:16]3([CH2:21][CH2:20][N:19]([CH3:22])[CH2:18][CH2:17]3)[O:15][C:14]3[C:23]([CH3:30])=[C:24]([CH3:29])[C:25]([OH:28])=[C:26]([CH3:27])[C:13]2=3)=[CH:8][CH:7]=1)([CH3:5])[CH3:4].[CH3:31][O:32][C:33]1[CH:40]=[CH:39][C:36]([CH2:37]Cl)=[CH:35][CH:34]=1.O>CN(C)C=O>[CH:3]([C:6]1[CH:7]=[CH:8][C:9]([CH:12]2[C:16]3([CH2:21][CH2:20][N:19]([CH3:22])[CH2:18][CH2:17]3)[O:15][C:14]3[C:23]([CH3:30])=[C:24]([CH3:29])[C:25]([O:28][CH2:37][C:36]4[CH:39]=[CH:40][C:33]([O:32][CH3:31])=[CH:34][CH:35]=4)=[C:26]([CH3:27])[C:13]2=3)=[CH:10][CH:11]=1)([CH3:5])[CH3:4]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 24758Sodium hydrideHCID 699934-Methyloxybenzyl chlorideHCID 222382593-(4-Isopropylphenyl)-1',4,6,7-tetramethylspiro[benzofuran-2(3H), 4'-piperidine]-5-ol

生成物 1

HCID 222382553-(4-Isopropylphenyl)-5-(4-methoxybenzyloxy)-1',4,6,7-tetramethylspiro[benzofuran-2(3H), 4'-piperidine]収率 39.1%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

Sodium hydride (60% liquid paraffin dispersion, 64.3 mmol, 1.61 mmol) was added to a solution of 3-(4-isopropylphenyl)-1′,4,6,7-tetramethylspiro[benzofuran-2(3H),4′-piperidine]-5-ol (509.0 mg, 1.34 mmol) in N,N-dimethylformamide (25 mL) at 0° C., and the mixture was stirred for 30 minutes at the same temperature. To the reaction mixture was added 4-methoxybenzyl chloride (244.0 mg, 1.56 mmol) and the mixture was stirred for further 30 minutes at room temperature. The reaction mixture was poured into water, and extracted twice with ethyl acetate. The organic layers were combined, washed with an aqueous saturated sodium hydrogencarbonate, dried over magnesium sulfate, filtered, and concentrated under reduced pressure. The residue was subjected to silica gel column chromatography (Chromatorex NH DM1020, Fuji Silysia Chemical LTD) (hexane/ethyl acetate=1/1) to obtain the title compound (262 mg, yield 39%). This was amorphous.

後処理

  1. stirringthe mixture was stirred for further 30 minutes at room temperature
  2. extractionextracted twice with ethyl acetate
  3. washwashed with an aqueous saturated sodium hydrogencarbonate
  4. dry with materialdried over magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-646645873dc1421dace6bcc2cd227649
出典データセット
uspto-grants-2006_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07008950B1

反応ノート

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