SYNTHESIS OF 15- AND 18-MEMBERED POLYTHIAMACROCYCLIC LIGANDS
Reaction of 1,8-dimercapto-3,6-dithioactane with oxa-, aza-. and thiadihaloderivatives under high dilution conditions in the presence of cesium carbonate, which acts as a template for the condensation reaction, produces 15- and 18-membered polythiamacrocyclic ligands in yields greater than 50percent.