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Amidines, isothioureas, and guanidines as nucleophilic catalysts


Reference:

Taylor, J. E., Bull, S. D. and Williams, J. M. J., 2012. Amidines, isothioureas, and guanidines as nucleophilic catalysts. Chemical Society Reviews, 41 (6), pp. 2109-2121.

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    Official URL:

    http://dx.doi.org/10.1039/c2cs15288f

    Abstract

    Over the last ten years there has been a huge increase in development and applications of organocatalysis in which the catalyst acts as a nucleophile. Amidines and guanidines are often only thought of as strong organic bases however, a number of small molecules containing basic functional groups have been shown to act as efficient nucleophilic catalysts. This tutorial review highlights the use of amidine, guanidine, and related isothiourea catalysts in organic synthesis, as well as the evidence for the nucleophilic nature of these catalysts. The most common application of these catalysts to date has been in acyl transfer reactions, although the application of these catalysts towards other reactions is an increasing area of interest. In this respect, amidine and guanidine derived catalysts have been shown to be effective in catalysing aldol reactions, Morita-Baylis-Hillman reactions, conjugate additions, carbonylations, methylations, silylations, and brominations.

    Details

    Item Type Articles
    CreatorsTaylor, J. E., Bull, S. D. and Williams, J. M. J.
    DOI10.1039/c2cs15288f
    DepartmentsFaculty of Science > Chemistry
    RefereedYes
    StatusPublished
    ID Code29434

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