Abstract
Two novel macrocyclic tetraimine-diphenol Schiff bases were synthesized by [2+2] cyclocondensation of ortho-aminophenyl diamines [1,2-bis(2'-aminophenoxy)benzene and 1,2-bis(2'-aminophenoxy)-4-tert-butylbenzene] with 2,6-diformyl-4-chlorophenol (dcp). Two novel tetraamine-diphenol macrocycles were obtained by reduction of the imine analogues with sodium borohydride in methanol/chloroform.
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