Alkyne addition across imido and sulfido moieties: molecular structure
of the 1-thio-2-iminoene complex
[Mo{η2-PhNC(R)![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
C(R)S}{η1,η3-
SC(R)C(R)C(NEt2)S}(S2CNEt2
)] (R = CO2Me)
Abstract
Thermolysis of
[Mo(η
2
-S
2
)(NPh)(S
2
CNEt
2
)
2
] with dimethyl acetylenedicarboxylate afforded the
crystallographically characterised 1-thio-2-iminoene complex
[Mo{η
2
-PhNC(R)C(R)S}{η
1
,η
3
-SC(R)C(R)C(NEt
2
)S}(S
2
CNEt
2
)] (R = CO
2
Me),
resulting from alkyne addition across sulfido and phenylimido moieties
and further insertion of alkyne into the sulfur–carbon bond of a
dithiocarbamate ligand.
C(R)S}{η
1
,η
3
-SC(R)C(R)C(NEt
2
)S}(S
2
CNEt
2
)] (R = CO
2
Me),
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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![[double bond, length as m-dash]](https://www.rsc.org/images/entities/h2_char_e001.gif)
C(R)S}{η1,η3-
SC(R)