Benzene, 1-bromo-3,5-dichloro- → 3,5-Dichloro-alpha-methylstyrene

HRID 904094

反応式

HRID 904094 の反応式
BrC1C=C(Cl)C=C(Cl)C=1.[Mg].[Cl:11][C:12]1[CH:13]=[C:14]([C:19](O[Mg]Br)([CH3:21])[CH3:20])[CH:15]=[C:16]([Cl:18])[CH:17]=1>CC(C)=O>[Cl:11][C:12]1[CH:13]=[C:14]([CH:15]=[C:16]([Cl:18])[CH:17]=1)[C:19]([CH3:21])=[CH2:20]

参加物

5

反応物 3

HCID 29766Benzene, 1-bromo-3,5-dichloro-HCID 5462224MagnesiumHCID 178459949HCID 178459949、化合物

生成物 1

HCID 1106043,5-Dichloro-alpha-methylstyrene

試薬・触媒・溶媒 1

HCID 180Acetone溶媒

実験手順

1-Bromo-3,5-dichlorobenzene is reacted with magnesium in a solvent and acetone is added to react it with the reaction product and a mineral acid is added to hydrolyze the resulting α-(3,5-dichlorophenyl) isopropoxymagnesium bromide and then, the product is dehydrated to obtain 3,5-dichloro-α-methylstyrene. 3,5-Dichloro-α-methylstyrene is useful intermediate for various agricultural chemicals, medicines and dyes and also useful monomer for rubbers, plastics and resins.

後処理

  1. additionis added
  2. customto react it with the reaction product
  3. additiona mineral acid is added

出典と根拠

ORDレコード
ord-e2c0e6b77a3d477aab742cd438eede04
出典データセット
uspto-grants-1980_10
特許番号
US04230642

関連ノート

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