反応 #3611

ord-ad1ac3ae5a894c42a369e1a0f5415105

反応方程式

O=C(O)c1ccccc1C(F)(F)F
o-trifluoromethylbenzoic acid
O=S(Cl)Cl
thionyl chloride
O=C(Cl)c1ccccc1C(F)(F)F
desired product
O=C(Cl)c1ccccc1C(F)(F)F
2-(Trifluoromethyl)benzoyl chloride

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    温度at reflux for 1 hour
  2. 2
    その他The volatiles are evaporated in vacuo
  3. 3
    その他to give a residue which
  4. 4
    濃縮is concentrated from toluene three times
  5. 5
    その他dried under vacuum

実験手順

A solution of 2.0 g of o-trifluoromethylbenzoic acid in 21 ml of thionyl chloride is heated at reflux for 1 hour. The volatiles are evaporated in vacuo to give a residue which is concentrated from toluene three times and dried under vacuum to give 2.1 g of the desired product as a residue.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05733905uspto-grants-1998_03