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- W3143835718 abstract "Density functional theory calculations have been carried out to explore the reaction mechanisms for the reactions of ''frustrated Lewis pairs'' (FLPs) with small molecules. Four reactions were studied in the present investigation. A new N-heterocyclic carbene borane, boron amidinate compound HC(iPrN)2B(C6F5)2 (1), classified as FLPs, was chosen as the common reactant of these reactions. It was used to react with CO2, CO, and two terminal alkynes, methylacetylene and phenylacetylene. The reactions of 1 with CO2 and CO can both be regarded as the concerted addition mechanisms. In these reactions, the formations of the C2-N2 and B-O1 bonds take place simultaneously. For the reactions of 1 and methylacetylene or phenylacetylene, our calculations indicated that a deprotonation pathway and the connection between B atoms and terminal alkyne C atoms occur by a concerted manner simultaneously, together with the connection between N2 and hydrogen atoms. We also investigated the reaction mechanisms according to the frontier molecular orbital (FMO) theory and carried out electric charge analyses, finding that the two results were consistent with each other perfectly. Electric charges transfer from HOMO of 1_OPEN to LUMO of CO2 or CO. In contrast, electric charges transfer from HOMO of methylacetylene or phenylacetylene to LUMO of 1_OPEN." @default.
- W3143835718 created "2021-04-13" @default.
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- W3143835718 date "2012-01-01" @default.
- W3143835718 modified "2023-09-27" @default.
- W3143835718 title "The reaction mechanisms of boron amidinate and small molecules: a density function theory study" @default.
- W3143835718 hasPublicationYear "2012" @default.
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