Water → 3,7-Dimethyl-4-[(1-ethoxyethoxy)]-6-octen-1-ol

HRID 27652ノート

反応式

HRID 27652 の反応式
C([O:4][CH2:5][CH2:6][CH:7]([CH3:20])[CH:8]([O:14][CH:15]([O:17][CH2:18][CH3:19])[CH3:16])[CH2:9][CH:10]=[C:11]([CH3:13])[CH3:12])(=O)C.C(=O)([O-])[O-].O>CO>[CH3:20][CH:7]([CH:8]([O:14][CH:15]([O:17][CH2:18][CH3:19])[CH3:16])[CH2:9][CH:10]=[C:11]([CH3:13])[CH3:12])[CH2:6][CH2:5][OH:4]

参加物

5

反応物 3

HCID 962WaterHCID 19660Carbonate IonHCID 233414488-Acetoxy-2,6-dimethyl-5-[(1-ethoxyethoxy)]-2-octene

生成物 1

HCID 233414523,7-Dimethyl-4-[(1-ethoxyethoxy)]-6-octen-1-ol

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

実験手順

A mixture of 8-acetoxy-2,6-dimethyl-5-[(1-ethoxyethoxy)]-2-octene (0.5 mmole), saturated potassim carbonate solution (9 ml), water (6 ml) and methanol (100 ml) is stirred for 3 hours at room temperature. Most of the methanol is removed in vacuo and the residue is treated with ethyl acetate (500 ml) and water (200 ml). The organic phase is dried (Na2SO4) and evaporated in vacuo to give the crude product. This material is further purified by column chromatography on silica gel (25 g, 15% ethyl acetate in hexane) to give 3,7-dimethyl-4-[(1-ethoxyethoxy)]-6-octen-1-ol as a colorless oil.

後処理

  1. customMost of the methanol is removed in vacuo
  2. additionthe residue is treated with ethyl acetate (500 ml) and water (200 ml)
  3. dry with materialThe organic phase is dried (Na2SO4)
  4. customevaporated in vacuo
  5. customto give the crude product
  6. customThis material is further purified by column chromatography on silica gel (25 g, 15% ethyl acetate in hexane)

出典と根拠

ORDレコード
ord-08ac720d979540f3b8396da6e9dfdd2f
出典データセット
uspto-grants-1980_09
特許番号
US04222937

反応ノート

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