'I'he reaction of decaniethylene dithiol with several aldehydes and one ketone has giveii further esxrnplca of 26-11ieiiibcre~ l These cyclic dimcrcaptals and ditnercaptols have n'onamethylene dithiol has also given a cyclic dimercaptal which is a 24-membered ring Heptamethylene dithiol and vanillin did not give a crystalline cyclic material, but the 20- membered ring com-The cyclic dimercaptal from decamethylene dithiol and vanillin is ...
