Alkyne activation by half-sandwich ruthenium(II) complexes bearing the water-soluble phosphane 1,3,5-triaza-7-phosphaadamantane (PTA)

Reactivity of Hydride Half‐Sandwich Ruthenium(II) Complexes Bearing the Scorpionate Ligands Hydridotris(pyrazol‐1‐yl)borate and Tris(pyrazol‐1‐yl)methanesulfonate

“…In particular, the tris(pyrazol‐1‐yl)methanesulfonate ligand shows κ 3 ( N , N , N ) coordination. The inter‐ligand N–Ru–N angles and the Ru–N bond lengths for both complexes are in the range found for other ruthenium(II) complexes bearing Tp and Tpms[5a], [14b] ligands. The inter‐ligand angle P1–Ru1–P2 is smaller for complex 3 than for complex 2 due to the smaller cone angle of the pta ligand compared with the PPh 3 phosphane.…”

“…In the last few years our research group has studied the chemistry of half‐sandwich ruthenium(II) complexes containing the water‐soluble ligand 1,3,5‐triaza‐7‐phosphaadamantane (pta), N ‐substituted pta phosphane ligands and the scorpionate ligands hydridotris(pyrazol‐1‐yl)borate (Tp) and tris(pyrazol‐1‐yl)methanesulfonate (Tpms). These pta–ruthenium(II) complexes have been used in alkyne activation and cycloaddition reactions . Also, their anti‐tumour properties have been investigated , …”