Recent metallosurfactants for sustainable catalysis in water |
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Affiliation: | 1. International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan;2. Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8561, Japan;1. Department of Chemistry and Centre of Advanced studies in Chemistry, Panjab University, Chandigarh, India;2. Homi Bhabha National Institute, Training School Complex, Anushakti nagar, Mumbai 400 094, India;3. Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400 085, India |
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Abstract: | In the field of green chemistry, micellar catalysis plays a central role for organic solvent replacement. Micelles ensure the solubilization or dispersion of catalyst and organic substrates in water imparting unique features in terms of chemo-, regio- and stereoselectivity. For metal-catalyzed reactions, a more robust approach for catalyst recycling consists in the synthesis of so-called metallosurfactants, in which a hydrophilic metal–containing headgroup is endowed with a hydrophobic ponytail, leading in water to the formation of metallomicelles. This fast-growing field of research is critically reviewed in this contribution, describing new trends and classifying the literature since 2017 based on the nature of the newly formed bond. Particular emphasis is reported on the specific features of metallosurfactants in terms of activities, selectivities and recyclability of the self-assembling catalysts. |
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Keywords: | Metallosurfactant Micellar catalysis Reactions in water Homogeneous catalysis Confined catalysis |
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