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Aromatic Phosphorus Heterocycles
Phosphorus an element with an electronegativity somewhat less than that of carbon and is an excellent and versatile building block of aromatic systems. Thus, in many systems carbon can be replaced… Expand
Bismesitoylphosphinic Acid (BAPO-OH): A Ligand for Copper Complexes and Four-Electron Photoreductant for the Preparation of Copper Nanomaterials.
The determination of the stoichiometry of the photoreductions suggests an almost quantitative conversion from CuII into Cu0 with half an equivalent of BAPO-OH, which serves as a four-electronPhotoreductant. Expand
Exceptional Coordination Mode of Unsaturated PNP Ligands (Me3Si)2C=PN(R)PPh2 with Palladium and Platinum Dichlorides: Insertion of Phosphaalkene Phosphorus Atoms into Metal–Chlorine Bonds
Unique molecular bis-chelate complexes M[(Me3Si)2C=P(Cl)N(1-Ada)PPh2]2 (1-Ada = 1-adamantyl; 3: M = Pt; 4: M = Pd) were isolated as crystalline solids from solutions that contain mixtures of products… Expand
A C3a-Hydroxylated Furanose Synthon for Sesquiterpene Lactones
Abstract A procedure for the stereocontrolled elaboration of a pendant oxirane at C3 of a 1,2-O-isopropylidenated glycofuranose has been developed. Cleavage of the oxirane with a functionalized… Expand
Sodium phosphaethynolate, Na(OCP), as a “P” transfer reagent for the synthesis of N-heterocyclic carbene supported P3 and PAsP radicals
Sodium phosphaethynolate, Na(OCP), reacts as a P− transfer reagent with the imidazolium salt [DippNHC–H][Cl] [DippNHC = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene] to give the parent… Expand
Coulomb repulsion versus cycloaddition: formation of anionic four-membered rings from sodium phosphaethynolate, Na(OCP).
The stepwise reaction mechanism leading to Na2(P2C3O4) was investigated with quantum chemical calculations and a remarkable π-delocalization was observed within the OCPCO moiety. Expand
Sodium phosphaethynolate as a building block for heterocycles.
- Xiaodan Chen, Simone Alidori, +6 authors H. Grützmacher
- Chemistry, Medicine
- Angewandte Chemie
- 3 February 2014
The use of the phosphaethynolate (OCP)(-) anion is reported as a building block for various sterically unprotected and functionalized hydroxy substituted phosphorus heterocycles, which allow further facile functionalization. Expand
Synthesis and characterization of terminal [Re(XCO)(CO)2(triphos)] (X=N, P): isocyanate versus phosphaethynolate complexes.
- Simone Alidori, Dominikus Heift, +6 authors M. Peruzzini
- Chemistry, Medicine
- 12 November 2012
The terminal rhenium(I) phosphaethynolate complex [Re(PCO)(CO)(2)(triphos)] has been prepared in a salt metathesis reaction from Na(OCP) and [Re(OTf)(CO)(2)(triphos)]. The analogous isocyanato… Expand
Is the phosphaethynolate anion, (OCP)(-), an ambident nucleophile? A spectroscopic and computational study.
The reactivity of Na(OCP) was investigated towards triorganyl compounds of the heavier group 14 elements (R3EX R = Ph or (i)Pr; E = Si, Ge, Sn, Pb; X = Cl, OTf). In the case of E = Si two… Expand
Phosphaketenes as building blocks for the synthesis of triphospha heterocycles.
Heteroatom-substituted phosphaketenes, R(3) E-P=C=O (E=Si, Sn), are building blocks for silyl- and stannyl-subStituted five-membered heterocycles containing three phosphorous atoms. Expand