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

HRID 1743234
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HRID 1743234 반응식
[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]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

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

생성물 1

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

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-646645873dc1421dace6bcc2cd227649
출처 데이터셋
uspto-grants-2006_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07008950B1

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