Wei Y, Soh S, Apodaca MM, Kim J, Grzybowski BA. Sequential reactions directed by core/shell catalytic reactors.
SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2010;
6:857-863. [PMID:
20196089 DOI:
10.1002/smll.200902336]
[Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Millimeter-sized reactor particles made of permeable polymer doped with catalysts arranged in a core/shell fashion direct sequences of chemical reactions (e.g., alkyne coupling followed by hydrogenation or hydrosilylation followed by hydrogenation). Spatial compartmentalization of catalysts coupled with the diffusion of substrates controls reaction order and avoids formation of byproducts. The experimentally observed yields of reaction sequences are reproduced by a theoretical model, which accounts for the reaction kinetics and the diffusion of the species involved.
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