Kenneth W. Henderson » Image Gallery
Charge-separated amidocalcium enolate
The crystal structure above, [Ca2{OC(Ph)=CHMe}3•6THF]+[Ca{N(SiMe3)2}3]-, reveals a surprising recent result - amidocalcium enolates (R2NCaOR) may undergo spontaneous dismutation into trisamide anions, [(R2N)3Ca]-, and bimetallic enolate cations, [(RO)3Ca2]+. This discovery leads to intriging speculations on the pathway by which these reagents react. For example, the charge-separated complex is expected to have significantly different reactivity and selectivity compared with the neutral complexes. For more details see: J. Am. Chem. Soc. (2005), 127, 6920.
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