... 1g8^. Printed in Great Britain DITHIOSALICYLIDES AND TRITHIOSALICYLIDES THEIR CONFORMATIONAL BEHAVIOUR IN SOLUTION G Bruce Guise, W David Ollis, Judith A Peacock, Julia Stephanidou Stephanatou, and J ... the propeller conformation 3) predominates at equilibrium over the asymmetric isomer (the helical conformation 3) Both di-o-thymotide (1) and di-o-carvocrotide (2) contain2 two cis -ester linkages associated with chiral enantiomeric ...