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. 2023 Jul 24;13(15):10324–10339. doi: 10.1021/acscatal.3c02416

Table 2. α-Terpinene Oxidation with H2O2 over Various POMsa.

    Selectivity, %
POM α-Terpinene conversion, % Ascaridole p-Cymene
– 5 20 50
{ZrW5}2 41 78 7
ZrW5 34 4 38
{PW11Zr(OH)}2 59 2 27
(NbW5)2O 96 2 25
TiW5 94 2 24
a

Reaction conditions: 0.1 M α-terpinene, 0.004 M Zr, Nb or Ti, 0.1 M H2O2 (30%), 1 mL CH3CN, 27 °C, and 5 h.