Phosphorus-Containing Monomers. I. The Synthesis of Vinyl Phosphines, Oxides, Sulfides, and Phosphonium Compounds

Rabinowitz, Robert; Pellon, Joseph

doi:10.1021/jo01069a101

Cited by 158 publications

(96 citation statements)

References 2 publications

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“…Phosphites, PPh(OEt) 2 and PPh 2 OEt, were prepared by the method reported by Rabinowitz and Pellon. [26] P(OEt) 3 (Aldrich) was used as received. Other reagents were purchased from commercial sources in the highest available purity and used as received.…”

Section: Discussionmentioning

confidence: 99%

Preparation of Pyrazole–Pyrazolate Half‐Sandwich Complexes of Ruthenium and Osmium

et al. 2010

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Pyrazole (HRpz) [MCl(η6‐p‐cymene)(HRpz)L]BPh4 (1–8) and imidazole (HIm) complexes [MCl(η6‐p‐cymene)(HIm)L]BPh4 (9–10) [M = Ru, Os; R = H, 3‐Me, 3,5‐Me2; L = P(OEt)3, PPh(OEt)2, PPh2OEt, CNtBu] were prepared by allowing the dichloro compounds MCl2(η6‐p‐cymene)L to react with the appropriate azole in the presence of NaBPh4. Treatment of the dichloro complexes with an excess of both pyrazole and NEt3 yielded the pyrazole–pyrazolate derivatives [M(Rpz)(η6‐p‐cymene)(HRpz)L]BPh4 (11–14). Conversely, the reaction of carbonyl compounds RuCl2(η6‐p‐cymene)(CO) with pyrazole or imidazole yielded the bisazole complexes [MCl(η6‐p‐cymene)(HRpz)2]BPh4 or [MCl(η6‐p‐cymene)(HIm)2]BPh4 (15–17). The complexes were characterised spectroscopically (IR and 1H, 13C, 31P NMR) and by X‐ray crystal structure analysis [RuCl(η6‐p‐cymene)(HRpz){PPh(OEt)2}]BPh4 (1b), [Ru(pz)(η6‐p‐cymene)(HRpz){P(OEt)3}]BPh4 (11a) and [RuCl(η6‐p‐cymene)(HRpz)2]BPh4 (15).

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Section: Discussionmentioning

confidence: 99%

Preparation of Pyrazole–Pyrazolate Half‐Sandwich Complexes of Ruthenium and Osmium

et al. 2010

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“…All solvents were dried over appropriate drying agents, degassed on a vacuum line and distilled into vacuum-tight storage flasks. The phosphanes PPh(OEt) 2 and PPh 2 OEt were prepared by the method of Rabinowitz and Pellon, [24] whereas P(OEt) 3 was an Aldrich product, purified by distillation under nitrogen. Diazonium salts were obtained in the usual way.…”

Section: Methodsmentioning

confidence: 99%

New Nitrosylrhenium Hydrides as Precursors of “Diazo” Complexes: Preparation of Hydrazine and Diazene Derivatives

et al. 2004

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“…Triethylphosphite P(OEt) 3 (Aldrich) was purified by distillation under nitrogen, while PPh(OEt) 2 and PPh 2 OEt were prepared by the method of Rabinowitz and Pellon. [24] The hydra- 4 is an Aldrich product was used as received. Hydrazine (NH 2 NH 2 ) was prepared by decomposition of hydrazine cyanurate (Fluka) following the reported method.…”

Section: Methodsmentioning

confidence: 99%

Preparation and Reactivity of Hydrazine Complexes of Rhenium: Synthesis of 1,2‐Diazene (NH=NH) and Methyleneimine (CH₂=NH) Derivatives

2003

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The hydrazine complexes [Re(RNHNH 2 )(CO) n P 5−n ]BPh 4 [R = H, CH 3 , Ar; n = 1−4; P = P(OEt) 3 , PPh(OEt) 2 , PPh 2 OEt] were prepared by allowing the hydride species [ReH(CO) n P 5−n ] to react first with a Brønsted acid and then with hydrazine. The reaction of either [Re(NH 2 NH 2 )(CO) n P 5−n ]BPh 4 or [Re(ArNHNH 2 )(CO) n P 5−n ]BPh 4 with Pb(OAc) 4 at −40°C proceeds with the selective oxidation of the hydrazine ligand to yield either [Re(NH=NH)(CO) n P 5−n ]BPh 4 or [Re(ArN=NH)(CO) n P 5−n ]BPh 4 . The oxidation of [Re-

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Phosphorus-Containing Monomers. I. The Synthesis of Vinyl Phosphines, Oxides, Sulfides, and Phosphonium Compounds

Cited by 158 publications

References 2 publications

Preparation of Pyrazole–Pyrazolate Half‐Sandwich Complexes of Ruthenium and Osmium

Preparation of Pyrazole–Pyrazolate Half‐Sandwich Complexes of Ruthenium and Osmium

New Nitrosylrhenium Hydrides as Precursors of “Diazo” Complexes: Preparation of Hydrazine and Diazene Derivatives

Preparation and Reactivity of Hydrazine Complexes of Rhenium: Synthesis of 1,2‐Diazene (NH=NH) and Methyleneimine (CH₂=NH) Derivatives

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Phosphorus-Containing Monomers. I. The Synthesis of Vinyl Phosphines, Oxides, Sulfides, and Phosphonium Compounds

Cited by 158 publications

References 2 publications

Preparation of Pyrazole–Pyrazolate Half‐Sandwich Complexes of Ruthenium and Osmium

Preparation of Pyrazole–Pyrazolate Half‐Sandwich Complexes of Ruthenium and Osmium

New Nitrosylrhenium Hydrides as Precursors of “Diazo” Complexes: Preparation of Hydrazine and Diazene Derivatives

Preparation and Reactivity of Hydrazine Complexes of Rhenium: Synthesis of 1,2‐Diazene (NH=NH) and Methyleneimine (CH2=NH) Derivatives

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Preparation and Reactivity of Hydrazine Complexes of Rhenium: Synthesis of 1,2‐Diazene (NH=NH) and Methyleneimine (CH₂=NH) Derivatives