Orthometalation of Functionalized Phosphinoamines with Late Transition Metal Complexes

Abstract

The neutral metal complexes cis-[Pt(CH3)2{o-Ph2PN(H)C6H4C(O)CH3-P}2] and [RhCl2(Cp*){o-Ph2PN(H)C6H4C(O)Ph-P}] are excellent precursors for new five-membered M−P−N−C−C metallacycles via σ(Csp 2 −H) bond activation. The synthesis and characterization including the molecular structures of cis-[Pt{o-Ph2PN(H)C6H3C(O)CH3-P,C}2]·OEt2 and [RhCl(Cp*){o-Ph2PN(H)C6H3C(O)Ph-P,C}]·0.5CHCl3 are reported.

N-Benzyl-P-(2-ethylphenyl)-P-phenylphosphinic amide

“…The phosphorus is in a tetrahedral environment as in other phosphine oxides. The P==O, P-N and P-C bond distances are comparable to similar compounds in literature (Priya et al, 2005;Fei et al, 2004;Gaw et al, 1999). In the crystal of (I), O atom is involved in N-H•••O==P hydrogen bonding interaction (Table 1), thus resulting in chains that run in the crystallographic c direction.…”

Cross‐coupling reactions in water using ionic liquid‐based palladium(II)–phosphinite complexes as outstanding catalysts

“…In both complexes, the phosphinites bind the metal centre as monodentate ligand. The formation of compounds 1b and 2b was followed by monitoring the 31 P‐{ 1 H} NMR spectra, which show single resonances at 77.12 and 97.24 ppm, respectively, consistent with structures of the anticipated complexes (supporting information) . The complexes 1b and 2b exhibit large 1 J PtP coupling of 4273.6 and 4082.4 Hz, respectively, which are characteristic of phosphinites having mutual cis arrangement (Fig.…”

Supramolecular chemistry of half-sandwich organometallic building blocks based on RuCl2(p-cymene)Ph2PCH2Y

“…Furthermore these organometallic fragments have been used in the synthesis of cyclometallated [13][14][15] and chiral half-sandwich compounds [16,17]. Metal arenes have also been employed in the controlled stepwise assembly of organometallic supramolecular squares and rectangles [18,19] and, more recently, water-soluble heterobimetallic coordination polymers containing CpRu + (and AgCl À 2 ) have been synthesised by Peruzzini and co-workers [20].…”