Wh. Leung et al., SYNTHESIS AND REACTIVITY OF DIHYDROXORUTHENIUM(IV) COMPLEX OF TETRAMESITYLPORPHYRIN - AEROBIC EPOXIDATION OF NORBORNENE BY RUTHENIUM PORPHYRINS, Polyhedron, 12(19), 1993, pp. 2331-2334
Treatment of Ru(TMP)(CO) with m-CPBA in CH2Cl2/EtOH afforded Ru (TMP)(
OH)2, isolated as air-stable violet crystals. Ru(TMP)(OH)2 is paramagn
etic (mu(eff) ca 2.7 B.M.) and displays broad H-1 NMR signals with par
amagnetic isotropic shifts. The IR spectrum shows a band at 760 cm-1 a
ssignable to the Ru-O stretch. Ru(TMP)(OH)2 is capable of catalysing a
erobic epoxidation of alkenes under mild conditions.