“…[24][25][26][27][28][29] The conversion of virgin phthalates (single, pure compounds) into dialkyl 1,2-cyclohexanedicarboxylate esters has been studied in open and patent literature, generally using supported noble metal catalysts operating at an elevated temperature (70-140 °C) and under high hydrogen pressures (60-200 bar). 14,[30][31][32][33][34][35][36][37][38][39] In fact, this conversion has been industrially implemented, with a yearly production exceeding 200 000 ton (in 2014). [40][41][42] Additionally, Ni-based systems, demanding even more rigorous conditions, have also been investigated to a limited extent.…”