44METHYLL2*44BIS 44*TRIFLUOROMETHYLPHENOXY*PHENYL PENTT11 ENE AND ITS PREPARATION

摘要

NEW MATERIAL:4-Methyl-2, 4-bis[4-( trifluoromethylphenoxy )phenyl]pent-1-ene of formula I. USE:A raw material for 4-(trifluoromethylphenoxy)isopropenyl-benzene or useful for preparing 4-(trifluoromethylphenoxy)phenol which is a material for the synthesis of various organic chemicals, such as medicines or agricultural chemicals. PROCESS:4-Methyl-2,4-bis(p-hydroxyphenyl)pent-1-ene of formula II is reacted with a halogeno-trifluoromethyl-benzene of formula III (X is halogen) in the presence of a base at room temperature-170 deg.C for 4-20hr to give the compound of formula I. Preferably, a solvent is used to smooth the reaction.