124151-54-8Relevant academic research and scientific papers
Homo- and cross-olefin metathesis coupling of vinylphosphane oxides and electron-poor alkenes: Access to P-stereogenic dienophiles
Vinokurov, Nikolai,Michrowska, Anna,Szmigielska, Anna,Drzazga, Zbigniew,Wojciuk, Grzegorz,Demchuk, Oleg M.,Grela, Karol,Pietrusiewicz, K. Michal,Butenschoen, Holger
, p. 931 - 938 (2007/10/03)
Vinylphosphane oxides 6 undergo catalytic olefin homo-metathesis leading to achiral and P-stereogenic diphosphane dioxides 7 with exclusive (E)-selectivity. Similarly, EWG-substituted vinylphosphane oxides 11, 12 could be prepared with complete (E)-olefin selectivity via olefin cross-metathesis with electron-deficient substrates, such as methyl acrylate and 2-fluorostyrene, using nitro-Hoveyda ruthenium pre-catalyst III. Cross- and homo-metathesis of chiral non-racemic vinylphosphane oxides proceeds without racemization of the phosphorus center of chirality.
OPTICALLY ACTIVE PHOSPHINE OXIDES. 8. SYNTHESIS OF NONSYMMETRICAL 1,2-DIPHOSPHINYLETHENES AND RELATED SYSTEMS
Pietrusiewicz, Michal,Wisniewski, Witold,Zablocka, Maria
, p. 337 - 348 (2007/10/02)
The synthesis of the nonsymmetrical and the optically active trans-1,2-diphosphinylethenes has been accomplished.The employed addition-elimination route is potentially general and utilizes readily accessible secondary phosphine oxides and tertiary 1-halog
