Phosphine, ethyl diphenyl

If the assumption of this reaction sequence is correct, the photolysis of tetraphenylphosphonium chloride must then only lead to biphenyl, diphenylphosphine, ethyl diphenyl-phosphinate and triphenylphosphine and its oxidation products. After 2 h of irradiation, biphenyl, diphenylphosphine and its oxidation products, triphenylphosphine and triphenylphosphine oxide, in a ratio of 3 1 5, along with raw material, are obtained. Ethyl diphenylphosphinate was detected in trace amounts7. These results support the postulate of the reversibility of phosphoranyl radical formation in such systems and indicate one-electron transfer processes15 in the formation and decomposition of the tetraarylphosphonium cation. This reaction is comparable to the observation of an electron transfer from halide ions to hydroxyl radicals or hydrogen atoms in aqueous solutions16,... 

Recent examples of the use of the Arbuzov reaction in the synthesis of phosphonic and phosphinic esters include the reaction of (216) with ethyl diphenyl phosphite to give... 

P3C34H33. Phosphine, insC2-(diphenyl-phoq>hino)ethyl]phenyK palladium complex, 27 320... 

C22H29C0N4OPS2, ((2-((2-(Diethylamino)ethyl)amino)ethyl)diphenyl-phosphine oxide)di-isothiocyanatocobalt(II), 38B, 999 C22H30CUN2O6, Bis(4-formyl-2-methoxyphenolato)(N,N,N, N -tetrameth-ylethylenediamine)copper(II) (red isomer), 44B, 1003 C22H32CUN2O6, Bis(2-amino-2-methy1-1-propanol)copper(II) dibenzoate, 44B, 1003... 

Stereochemistry. - There has been a far infra-red spectroscopic study of ethyl phosphine,130 and in combination with X-ray fluorescence, further work completed on the conformational analysis of dialkylphenyl phosphines.131 The influence of water on the conformational equilibria of trimethyl phosphate has received attention.132 There has been a low temperature solid state and matrix isolation study of methyl phosphorodichi oridate,133 and a conformational study of polymorphic modifications of diphenyl-phosphinyl acetic acid hydrazide. 34... 

Dimeric zinc complexes of tertiary phosphines, [Zn(PR3)I2]2, are also formed from zinc powder and R3PI2, (R = Me, Et, n-Pr, ra-Bu). The crystal structure of the ethyl derivative demonstrates the dimeric nature of the complexes.295 Metallation of diphenylphosphine with ZnEt2 results in a trimeric species with a Zn3P3 core and bridging diphenyl phosphide ligands. Two protic (HPPh2)... 

Photolysis of carbethoxymethylenetriphenylphosphine in cyclohexene yields benzene, ethyl acetate, ethyl cyclohexylacetate, ethyl cyclohex-2-ene-l-acetate, phenylcyclohexane l,T-bicyclohex-2-ene (Quantum yield measured by use of a low pressure mercury lamp as a light source no yield in material) and diphenyl phosphinic acid. In this case, no triphenylphosphine is produced. On the other hand, pyrolysis of this carbethoxymethy-lene compound shows that only P=C bond fission occurs91. Using acetylmethylene-triphenylphosphine, the observed products are analogous20. However, the irradiation of... 

Tripodal tritertiary phosphines as 1,1,1-tris(diphenyl--phosphinomethy1)ethane, triphos, and tris(2-diphenylphosphino--ethyl)amine, np3 are capable a) to act as tridentate or tetradentate ligands b) to promote several reactions with formation of several types of metal complexes which are presented. 

HFeP4C52H4 Iron, [[2-[2-(diphenylphos-phino)ethyl]phenylphosphino]phenyl-C,P,P ][I,2-ethanediylbis(diphenyl-phosphine)]hydrido-, 21 92... 

FeO jOs3C,jH2, Osmium, tridecacarbonyl-dihydridoirontri-, 21 63 FeO,3Ru3C13H2, Iron, tridecacarbonyl-dihydridotrimthenium-, 21 58 FeP2S4C72HM, B is(tetraphenylphosphonium) tetrakis(benzenethiolato)ferrate(lI), 21 24 FeP4C 2H48, Iron, [[2-[2-(diphenylphos-phino)ethyl]phenylphosphino]phenyl-C,P,P [ 1,2-ethanediylbis(diphenyl-phosphine)]-hydrido-, 21 92 FeP uHtt, Iron, bis[ 1,2-ethanediyl-... 

C ]H,o, Fluorene, iridium complex 29 232 C]3H jNO, Formanide,lV-ll-(l-naphthal-enyl)ethyl]-, rhenium complex 29 217 CijHijP, Phosphine, methyldiphenyl-, iron complex 26 61, 28 171 molybdenum complex, 27 9 nickel complex, 28 101 tungsten complexes. 27 10, 28 328,28 331 CijHio, Acetylene, diphenyl-, molybdenum complex, 26 102-105, 28 11, 13 C14H12, Benzene, 1,2-ethenediylbis-, platinum complex, 26 140 C14H14, Benzene. l,l -(l,2-ethanediyl)-bis-, 26 192... 

Cuprous chloride tends to form water-soluble complexes with lower olefins and acts as an IPTC catalyst, e.g., in the two-phase hydrolysis of alkyl chlorides to alcohols with sodium carboxylate solution [10,151] and in the Prins reactions between 1-alkenes and aqueous formaldehyde in the presence of HCl to form 1,3-glycols [10]. Similarly, water-soluble rhodium-based catalysts (4-diphenylphosphinobenzoic acid and tri-Cs-io-alkylmethylam-monium chlorides) were used as IPTC catalysts for the hydroformylation of hexene, dodecene, and hexadecene to produce aldehydes for the fine chemicals market [152]. Palladium diphenyl(potassium sulfonatobenzyl)phosphine and its oxide complexes catalyzed the IPTC dehalogenation reactions of allyl and benzyl halides [153]. Allylic substrates such as cinnamyl ethyl carbonate and nucleophiles such as ethyl acetoactate and acetyl acetone catalyzed by a water-soluble bis(dibenzylideneacetone)palladium or palladium complex of sulfonated triphenylphosphine gave regio- and stereo-specific alkylation products in quantitative yields [154]. Ito et al. used a self-assembled nanocage as an IPTC catalyst for the Wacker oxidation of styrene catalyzed by (en)Pd(N03) [155]. 

C Wj6N402, 1,5,9,13-Tetraazacyclohexa-deca-1,4,9,12-tetraene, 3,11 -bis(a-methoxybenzylidene)-2,12-dimethyl-, nickel complex, 27 275 CmHjjPb, Phosphine, bis[2-(diphenyl-phos-phino)ethyl]phenyl-, palladium complex, 27 320... 

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