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Communication | Special issue | Vol 40, No. 1, 1995, pp.85-88
Published online, 1st January, 1970
DOI: 10.3987/COM-94-S11
Reaction of Metal Cyclopentadienides with 1,3-Bis(methylthio)-1,2-dithiolium Salts

Klaus Hartke* and Xue-Ping Popp

*Institut für Pharmazeutische Chemie, Universität Marburg, Marbacher Weg 6, D-35032 Marburg/Lahn, Germany


Thallium and lithium cyclopentadienides (3) cleave the S,S-bond of 1,2-dithiolium salts (2) giving rise to intramolecular Diels-Alder adducts such as 6, 7, 8, and 9 or to intramolecular condensation products such as 10. Substitution of a methylthio group in 2 leads to the 2,3-dithiafulvalenes (11).