Introduction Very little work is reported in'the literature concerning the chemical behavior of the higher ketone acetals (ketals). Prior to their preparation from alkyl acetylenes by Hennion, Killian and Nieuwland, 2 these compounds were prepared by the condensation of ketones with alkyl orthoformates in the presence of appropriate alcohol^.^-^ Killian, Hennion and Nieuwlande report a reaction of ketals involving an interchange of alkoxy groups to ...
