A new synthetic route to 1,1,6,6-tetraalkylhexa-1,2,4,5-tetraenes by selective reduction of tetraalkylhexapentaenes with Zn–ZnCl2–H2O
Abstract
Tetraalkylhexapentaenes were efficiently and selectively reduced to 1,1,6,6-tetraalkylhexa-1,2,4,5-tetraenes when heated with Zn–ZnCl2 in aqueous THF.