Find in Library

Ionic polymolybdate compounds (IPOM) possessing the anions [Mo₈O₂₆]⁴⁻ and [Mo₃O₁₀]²⁻, and cyclohexylammonium (Cy6N) or anilinium (Anil) as organic cations, namely cyclohexylammonium <i>β</i>-octamolybdate dihydrate (<b>1</b>), cyclohexylammonium trimolybdate hydrate (<b>2</b>), anilinium <i>β</i>-octamolybdate dihydrate (<b>3</b>), anilinium trimolybdate tetrahydrate (<b>4</b>) and anilinium trimolybdate dihydrate (<b>5</b>), were synthesized via simple, eco-friendly one-pot routes. New crystal structures of <b>1</b>, <b>2</b> and <b>5</b> were discovered. IPOM compounds with different structural dimensionality, density and ratio of the number of terminal oxo groups/molybdenum atoms (n(oxo)/Mo) were developed. The IPOM compounds promoted the epoxidation of biobased olefins such as the fatty acid methyl esters methyl oleate and methyl linoleate with <i>tert</i>-butylhydroperoxide as oxidant, leading to conversions of at least 81% at 4 h, 70 °C and the corresponding epoxides. The reaction scope of applications for the IPOM catalysts covered cyclooctane oxidation.