American Chemical Society
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The Azametallacyclopropane Ca(η2-Ph2CNPh)(hmpa)3:  A Calcium Alternative to a Versatile Ytterbium(II) Catalyst

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journal contribution
posted on 2020-04-02, 17:14 authored by Frank Buch, Sjoerd Harder
The azametallacyclopropane complex Ca(η2-Ph2CNPh)(hmpa)3 (2-Ca) can be conveniently obtained in crystalline purity via a one-pot procedure (yield 48%). The catalytic activities and selectivities of 2-Ca and its Yb(II) analogue 2-Yb have been found to be comparable in a variety of reactions; therefore, 2-Ca could be a cheap substitute for the extensively studied Yb(II) catalyst.