Abstract
This review article discusses the applications of zirconia as a catalyst to promote
various organic reactions and transformations. The article is subdivided into four main
parts: 1) introduction, which consists of the history and introduction of zirconia, elaboration
of its synthetic procedures, its application in various fields of science and technology with
specified examples, and previously published review articles on ZrO2; 2) applications of
sole zirconia and zirconia-based catalytic systems to promote various organic transformations,
subdivided into oxidation reactions, hydrolysis and methanation reactions, reduction
and hydrogenation reactions, furfural and synthesis of its derivatives, and miscellaneous
reactions; 3) applications of sole zirconia and nano-sized ZrO2 to catalyze organic reactions
and MCRs, classified as two-component reactions, three-component reactions (by a
glance at pseudo 3-CRs), and four-component reactions (by a glance at pseudo 4-CRs); and 4) applications of
zirconia-containing catalytic systems to catalyze organic transformations and MCRs classified as twocomponent
reactions, three-component reactions, and four-component and higher-component reactions. According
to investigations, some of the zirconia-based catalysts exist in nano-sized systems. Moreover, the literature
survey contains publications up to the end of July 2023.
Graphical Abstract
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