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Water → (7-Bromobenzofuran-5-yl)methanol

HRID 1063862
ノート
印刷プレビュー

反応式

HRID 1063862 の反応式
C[O:2][C:3]([C:5]1[CH:6]=[C:7]([Br:14])[C:8]2[O:12][CH:11]=[CH:10][C:9]=2[CH:13]=1)=O.[H-].C([Al+]CC(C)C)C(C)C.[F-].[Na+].O>ClCCl>[OH:2][CH2:3][C:5]1[CH:6]=[C:7]([Br:14])[C:8]2[O:12][CH:11]=[CH:10][C:9]=2[CH:13]=1
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 5235Sodium FluorideHCID 21225700DiisobutylaluminumhydrideHCID 22144801HCID 22144801、化合物

生成物 1

HCID 22144918(7-Bromobenzofuran-5-yl)methanol収率 51.1%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒2 回

実験手順

A solution of 1.1 gm (4.31 mMol) 5-(methoxycarbonyl)-7-bromobenzofuran in 20 ml dichloromethane was cooled to −78° C. To this solution were then added 2.7 ml (15.1 mMol) diisobutylaluminum hydride. The reaction mixture was allowed to warm to room temperature and was then stirred for 10 minutes. To the reaction mixture were then added 2.5 gm sodium fluoride and 815 μL water. The resulting mixture was diluted with an additional 10 ml dichloromethane and was then stirred for about 1 hour. The suspension was filtered and the filtrate concentrated under reduced pressure to provide 0.50 gm (51%) of the desired compound. The recovered solid was partitioned between 200 ml ethyl acetate and 100 ml Rochelle's Salt solution for 2 hours. This mixture was filtered, the phases separated, and the organic phase concentrated under reduced pressure to provide an additional 0.30 gm (31%) of the desired compound.

後処理

  1. stirringwas then stirred for about 1 hour
  2. filtrationThe suspension was filtered
  3. concentrationthe filtrate concentrated under reduced pressure

出典と根拠

ORDレコード
ord-dd0f7b1fbab04da99e31588e8fa9e47b
出典データセット
uspto-grants-2005_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06967201B1

反応ノート

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