Diverse outcomes of CO2 fixation using alkali metal amides including formation of a heterobimetallic lithium-sodium carbamato-anhydride via lithium-sodium bis-hexamethyldisilazide

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Gauld, Richard M. and Kennedy, Alan R. and McLellan, Ross and Barker, Jim and Reid, Jacqueline and Mulvey, Robert E. (2019) Diverse outcomes of CO2 fixation using alkali metal amides including formation of a heterobimetallic lithium-sodium carbamato-anhydride via lithium-sodium bis-hexamethyldisilazide. Chemical Communications, 55 (10). pp. 1478-1481. ISSN 1359-7345 (https://doi.org/10.1039/C8CC08308H)

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Abstract

Fixation of CO2 by lithium amides derived from pyrrole and diisopropylamine generates a lithium carbamate polymer and dodecamer respectively. Moving to lithium-sodium hexamethyldisilazide produces a more complicated, intriguing reaction, where unusually the bimetallic composition is maintained in the product but its composition contains both carbamato and anhydride functionalities.

ORCID iDs

Gauld, Richard M., Kennedy, Alan R. ORCID logoORCID: https://orcid.org/0000-0003-3652-6015, McLellan, Ross ORCID logoORCID: https://orcid.org/0000-0001-9700-0258, Barker, Jim, Reid, Jacqueline and Mulvey, Robert E. ORCID logoORCID: https://orcid.org/0000-0002-1015-2564;
CORE (COnnecting REpositories)