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m-Chloroperbenzoic acid → methyl 2-[p-[(E)-2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)propenyl]phenoxy]ethyl sulphoxide

HRID 1768548
ノート
印刷プレビュー

反応式

HRID 1768548 の反応式
[CH3:1][C:2]1([CH3:28])[CH2:11][CH2:10][C:9]([CH3:13])([CH3:12])[C:8]2[CH:7]=[C:6](/[C:14](/[CH3:27])=[CH:15]/[C:16]3[CH:26]=[CH:25][C:19]([O:20][CH2:21][CH2:22][S:23][CH3:24])=[CH:18][CH:17]=3)[CH:5]=[CH:4][C:3]1=2.ClC1C=CC=C(C(OO)=[O:37])C=1>C(Cl)(Cl)Cl>[CH3:1][C:2]1([CH3:28])[CH2:11][CH2:10][C:9]([CH3:12])([CH3:13])[C:8]2[CH:7]=[C:6](/[C:14](/[CH3:27])=[CH:15]/[C:16]3[CH:26]=[CH:25][C:19]([O:20][CH2:21][CH2:22][S:23]([CH3:24])=[O:37])=[CH:18][CH:17]=3)[CH:5]=[CH:4][C:3]1=2
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 70297m-Chloroperbenzoic acidHCID 67786645methyl 2-[p-[(E)-2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-propenyl]phenoxy]ethyl sulphide

生成物 1

HCID 67785925methyl 2-[p-[(E)-2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)propenyl]phenoxy]ethyl sulphoxide収率 77.8%

試薬・触媒・溶媒 1

HCID 6212Chloroform溶媒2 回

実験手順

2.1 g of the compound obtained in Example 5 are dissolved in 50 ml of chloroform and treated slowly at 0° with a solution of 1.2 g of m-chloroperbenzoic acid (90%) in 10 ml of chloroform. After stirring at 0° for 20 hours the mixture is washed with dilute soda solution and water, dried and evaporated. The thus-obtained yellow oil is filtered over a small silica gel column (eluting agent hexane/ethyl acetate=1:2) and recrystallized from ethyl acetate. There are obtained 1.7 g of methyl 2-[p-[(E)-2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)propenyl]phenoxy]ethyl sulphoxide, melting point 134°-136°.

後処理

  1. washis washed
  2. additionwith dilute soda solution and water
  3. customdried
  4. customevaporated
  5. filtrationThe thus-obtained yellow oil is filtered over a small silica gel column (eluting agent hexane/ethyl acetate=1:2)
  6. customrecrystallized from ethyl acetate

出典と根拠

ORDレコード
ord-35d0f0d7be404afea08c455b25ee843f
出典データセット
uspto-grants-1995_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05378705

反応ノート

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