Chemistry Letters, Vol.29, No.2, 180-181, 2000
A new mercurophilic troponoid tetrathiacyclophane; 2,6,8,12-tetrathia-1(2,7),7(2,7)-ditropona-4(1,3),10(1,3)-dibenzenacyclo dodecaphane
Condensation reaction of 2,7-dibromotropone with 1,3-bis(mercaptomethyl)benzene afforded 2:2- and 1:2-condensates. Their structures were determined to be new troponoid tetrathiacyclophanes by X-ray crystallographic analyses; 2:2-condensate had a 1,2-alternate conformation and was well-stacked through pi-pi interactions. 1:2-Condensate had approximately a cone conformation. 2:2-Condensate formed a complex with Hg(II) ion.