Title:
塩素化法
Document Type and Number:
Japanese Patent JP3526869
Kind Code:
B2
Abstract:
There is provided a process for the preparation of 1,1,1-trichlorotrifluororethane in which 1,1-dichloro-2,2,2-trifluoroethane is subjected to chlorination by bringing the 1,1-dichloro-2,2,2-trifluoroethane into contact with chlorine within a reaction vessel characterised in that the process is conducted in the liquid phasein the presence of a chemical free radical initiator under a pressure of from 1 to 20 bar and at a temperature within the range 50 to 120° C., and the product is separated from the reaction mixture by fractional distillation. The product is useful in the manufacture of insecticides.
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Inventors:
グレイ，トーマス
ジャクソン，アラン・レイモンド
ドイル，シーン・ジェイムズ
ムーアハウス，キース
ジャクソン，アラン・レイモンド
ドイル，シーン・ジェイムズ
ムーアハウス，キース
Application Number:
JP50502495A
Publication Date:
May 17, 2004
Filing Date:
July 25, 1994
Export Citation:
Assignee:
シンジェンタ リミテッド
International Classes:
C07C17/10; C07C17/383; C07C17/42; C07C19/08; C07C19/12; (IPC1-7): C07C17/10; C07C17/383; C07C19/12
Attorney, Agent or Firm:
社本 一夫 （外５名）