Title:
METHOD FOR PRODUCING 2,2-BIS(3,4-DIMETHYLPHENYL)-1,1,1,3,3,3-HEXAFLUOROPROPANE
Document Type and Number:
Japanese Patent JP2006248963
Kind Code:
A
Abstract:
To provide a method for efficiently producing 2,2-bis(3,4-dimethylphenyl)-1,1,1,3,3,3-hexafluoropropane.
The method for producing 2,2-bis(3,4-dimethylphenyl)-1,1,1,3,3,3-hexafluoropropane comprises reacting orthoxylene with hexafluoroacetone in the presence of hydrofluoric acid in an amount to cause liquid separation from orthoxylene at the start of the reaction at a temperature of a production condition.
Inventors:
SHIMADA TOMOO
MATSUDA YUKI
MORIMOTO KAZUYOSHI
MATSUDA YUKI
MORIMOTO KAZUYOSHI
Application Number:
JP2005066677A
Publication Date:
September 21, 2006
Filing Date:
March 10, 2005
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
C07C29/38; C07C33/46; C07B61/00
Attorney, Agent or Firm:
Eiji Saegusa
Kakehi Yuro
Kenji Saito
Kakehi Yuro
Kenji Saito