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Diethyl Ether → 2-(3-Methoxyphenyl)propyl 2-Phenylethyl Ether

HRID 1155854
ノート
印刷プレビュー

反応式

HRID 1155854 の反応式
[C:1]1([CH2:7][CH2:8][O:9][CH2:10][C:11]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([O:20][CH3:21])[CH:15]=2)(O)[CH3:12])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.P(Cl)(Cl)(Cl)=O.CCOCC.C(=O)([O-])[O-].[Na+].[Na+]>N1C=CC=CC=1>[C:1]1([CH2:7][CH2:8][O:9][CH2:10][CH:11]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([O:20][CH3:21])[CH:15]=2)[CH3:12])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=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

6

反応物 4

HCID 3283Diethyl EtherHCID 10340Sodium CarbonateHCID 24813Phosphorus oxychlorideHCID 20496803HCID 20496803、化合物

生成物 1

HCID 204969232-(3-Methoxyphenyl)propyl 2-Phenylethyl Ether

試薬・触媒・溶媒 1

HCID 1049Pyridine溶媒

反応条件

温度
20 °C

実験手順

To a 0° C. solution of 2-(3-methoxyphenyl)-2-hydroxypropyl 2-phenylethyl ether (498 mg., 1.74 mmole) in pyridine (2 ml.) is added dropwise phosphorous oxychloride (477 μl., 5.22 mmole). The reaction is allowed to warm to 20° C. over a 1.5 hour period. It is then stirred for 1.5 hours at 20° C. and then added to ether (150 ml.) and 15% sodium carbonate (100 ml.). The organic phase is separated and washed with 15% sodium carbonate (3×50 ml.) dried over magnesium sulfate and evaporated to an oil. The oil is dissolved in absolute ethanol (15 ml.), 10% palladium-on-carbon (100 mg.) added and the mixture stirred under one atmosphere of hydrogen gas. When hydrogen uptake ceases the reaction is filtered through diatomaceous earth and the filtrate evaporated to an oil. The oil is purified via preparation layer chromatography on silica gel plates, eluted twice with 6:1 pentane:ether to yield the title compound.

後処理

  1. customThe organic phase is separated
  2. washwashed with 15% sodium carbonate (3×50 ml.)
  3. dry with materialdried over magnesium sulfate
  4. customevaporated to an oil
  5. dissolutionThe oil is dissolved in absolute ethanol (15 ml.)
  6. addition10% palladium-on-carbon (100 mg.) added
  7. stirringthe mixture stirred under one atmosphere of hydrogen gas
  8. filtrationis filtered through diatomaceous earth
  9. customthe filtrate evaporated to an oil
  10. customThe oil is purified via preparation layer chromatography on silica gel plates
  11. washeluted twice with 6:1 pentane

出典と根拠

ORDレコード
ord-6faf525efbc34e9a8d78953fab55761f
出典データセット
uspto-grants-1982_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04332942

反応ノート

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