Alkyne addition across imido and sulfido moieties: molecular structure of the 1-thio-2-iminoene complex [Mo{η²-PhNC(R)= C(R)S}{η¹,η³- SC(R)=C(R)C(NEt₂)S}(S₂CNEt₂ )] (R = CO₂Me)

Abstract

Thermolysis of [Mo(η²-S₂)(NPh)(S₂CNEt₂ )₂] with dimethyl acetylenedicarboxylate afforded the crystallographically characterised 1-thio-2-iminoene complex [Mo{η²-PhNC(R)=C(R)S}{η¹ ,η³-SC(R)=C(R)C(NEt₂)S}(S ₂CNEt₂)] (R = CO₂Me), resulting from alkyne addition across sulfido and phenylimido moieties and further insertion of alkyne into the sulfur–carbon bond of a dithiocarbamate ligand.

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