Journal of Organometallic Chemistry Elsevier Sequoia SA., Lausanne - Primed in The Netherlands ... A novel type of tautomerism in cyclic silylamides ... B. DEJAK and Z. tASOCK1 Insriture of Polymers, Technical University and Centre of Molecular and Macromolecular Studies of the Polish Academy of Sciences, tbdi (Poland) (Received September Ist, 1972) ... N-Acetyltetramethylcyclodisiloxane, (I), co-exists in equilibrium with penta-
