Radical Phosphination of Organic Halides and Alkyl Imidazole-1-carbothioates
摘要:
Taking advantage of a radical-based methodology, mild and chemoselective phosphination reactions of organic halide and alkyl imidazole-1-carbothioates have been developed. The mild reaction conditions allow labile functional groups to survive during the reaction.
Radical Addition Reactions of Diphenylphosphine Sulfide
作者:Andrew Parsons、David Sharpe、Philip Taylor
DOI:10.1055/s-2005-921888
日期:——
Radical additions of diphenylphosphine sulfide [Ph 2 P(S)H] to various C=C bonds offers a general, mild and efficient approach to alkyl(diphenyl)phosphine sulfides.
Organische Phosphorverbindungen XXV Darstellung und Eigenschaften von sekundären und tertiären Phosphinsulfiden
作者:Ludwig Maier
DOI:10.1002/hlca.19660490406
日期:——
Two new processes for the preparation of sec. phosphine sulfides which involve reaction of dialkylamino-dialkyl or diaryl phosphines with hydrogen sulfide, and of dialkylthionophosphonates, (RO)2P(S)H, with GRIGNARD or organolithium reagents, respectively, are described. The addition of sec. phosphine sulfides to olefins and the condensation of sec. phosphine sulfides with N-hydroxymethyldialkylamines
Facile Non-Catalyzed Synthesis of Tertiary Phosphine Sulfides by Regioselective Addition of Secondary Phosphine Sulfides to Alkenes
作者:Svetlana F. Malysheva、Nina K. Gusarova、Alexander V. Artem'ev、Nataliya A. Belogorlova、Alexander I. Albanov、Tatyana N. Borodina、Vladimir I. Smirnov、Boris A. Trofimov
DOI:10.1002/ejoc.201301786
日期:2014.4
An atom-economic green synthesis of tertiary phsophine sulfides has been developed based on catalyst- and solvent-free addition of secondary phosphine sulfides to diverse terminal and internal alkenes (hept-1-ene, cyclohexene, styrenes, allyl alcohol, vinyl ethers, vinyl sulfides, vinyltrimethylsilane, 1-vinylimidazoles, vinyl acetate). The reaction proceeds under mild conditions (80 °C, without solvent
Palladium-catalyzed synthesis of vinyl phosphines from ketones
作者:Scott R. Gilbertson、Zice Fu、Gale W. Starkey
DOI:10.1016/s0040-4039(99)01819-5
日期:1999.12
palladium-catalyzed conversion of vinyl triflates to vinyl phosphines is reported. This process allows for the synthesis of vinyl phosphines fromketones. Selective enolization of a variety of ketones followed by trapping of the enolate as the vinyl triflate is reported. The vinyl triflates are then converted to the corresponding vinyl phosphine through palladium catalysis. The resulting vinyl phosphines can then
ω-Haloalkylphosphine derivatives undergo the intramolecular nucleophilicsubstitution reaction upon treatment with a strong base, yielding either cycloalkylphosphine derivatives or heterocyclic phosphine derivatives. The selectivity of the cyclization of (ω-haloalkyl)alkylarylphosphine derivatives depends strongly on the distance between the electrophilic and nucleophilic carbon atoms and the structure of the phosphorus