Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 60, Issue 12, Pages 6784-6790Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202014381
Keywords
CO2 activation; double bonds; gallium; main-group elements; phosphorous
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Funding
- University of Duisburg-Essen
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The synthesized Gallaphosphene displayed diverse chemical properties during reactions, including different reaction pathways and products with different substrates.
Gallaphosphene L(Cl)GaPGaL (2; L=HC[C(Me)N(2,6-i-Pr2C6H3)](2)), which is synthesized by reaction of LGa(Cl)PCO (1) with LGa, reacts with [Na(OCP)(dioxane)(2.5)] to LGa(OCP)PGaL (3), whereas chloride abstraction with LiBAr4F yields [LGaPGaL][BAr4F] (4; BAr4F=B(C6F5)(4)). 4 represents a heteronuclear analog of the allyl cation according to quantum chemical calculations. Remarkably, 2 reversibly reacts with CO2 to yield L(Cl)Ga-P[mu-C(O)O](2)GaL (5), while reactions with acetophenone and acetone selectively give compounds 6 and 7 by C(sp(3))-H bond activation.
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