Sustainable routes to adipic acid from biomass-derived C6 polyols sometimes depend on a two-step deoxydehydration (DODH)–hydrogenation sequence, of which the DODH step stays the first barrier to industrial adoption. Right here, we report a tunable rhenium catalyst supported on ceria–zirconia blended oxides (Re/CexZr1-xO2) engineered by means of exact management of metal-support interactions. Thermal diffusion of Zr4+ into CeO2 nanorods induces lattice contraction and elevates the Ce3+ fraction, considerably enhancing the reducibility of floor rhenium species and accelerating the rate-determining step in Re-catalyzed DODH. Remarkably, as much as 70 at% Zr may be integrated with out structural degradation, offering an unprecedented mixture of oxygen mobility and rhenium redox synergy. The optimized Re/Ce0.3Zr0.7O2 catalyst delivers trans, trans-muconate in 94% yield from galactarate utilizing n-butanol, which features concurrently as solvent and inexperienced reductant.
