32749-90-9Relevant academic research and scientific papers
A catalytic method for the preparation of polysubstituted cyclopentanes: [3+2] cycloaddition of vinylidenecyclopropanes with activated olefins catalyzed by triflic imide
Li, Wei,Shi, Min
supporting information; experimental part, p. 856 - 860 (2009/06/20)
[3+2] Cycloadditions of vinylidenecyclopropanes (VDCPs) with electron-deficient olefins, such as methyl vinyl ketone (MVK) and acrylaldehyde, proceed smoothly in the presence of a catalytic amount of triflic imide (Tf2NH) to give the corresponding functio
Palladium-catalyzed coupling reactions of diarylvinylidenecyclopropanes with 2-iodophenol and N-(2-iodophenyl)-4-methylbenzenesulfonamide
Li, Wei,Shi, Min
supporting information; scheme or table, p. 270 - 274 (2009/06/21)
A palladium-catalyzed cross-coupling reaction of diarylvinylidenecyclopropanes with 2-iodophenol and N-(2-iodophenyl)-4- methylbenzenesulfonamide provided a variety of cyclopropane-containing 2,2-diaryl-3-tetramethylcyclopropylidene-2,3-dihydrobenzofuran
Bronsted acid TfOH-mediated [3 + 2] cycloaddition reactions of diarylvinylidenecyclopropanes with nitriles
Li, Wei,Shi, Min
, p. 4151 - 4154 (2008/09/21)
(Chemical Equation Presented) Diarylvinylidenecyclopropanes undergo a [3 + 2] cycloaddition reaction with MeCN in the presence of Bronsted acid TfOH to give the corresponding 3,4-dihydro-2H-pyrrole derivatives 2 in moderate to excellent yields under reflu
Cyclopropanation of vinylidenecyclopropanes. Synthesis of 1-(dihalomethylene)spiropentanes
Maeda, Hajime,Hirai, Takayoshi,Sugimoto, Akira,Mizuno, Kazuhiko
, p. 7700 - 7706 (2007/10/03)
Synthesis of 1-(dihalomethylene)spiropentanes via cyclopropylidenecyclopropanes generated by cyclopropanation of vinylidenecyclopropanes by dihalocarbenes is described. Reaction of diarylvinylidenecyclopropanes with dibromocarbene and dichlorocarbene excl
General and Convenient Route to Alkenylidenecyclopropanes: Generation of Alkenylidenecarbenes from 1,1-Dibromocyclopropanes under Phase-transfer Conditions
Isagawa, Kakuzo,Mizuno, Kazuhiko,Sugita, Hikaru,Otsuji, Yoshio
, p. 2283 - 2285 (2007/10/02)
Alkenylidenecyclopropanes have been prepared in a stereospecific manner by the reaction of 1,1-disubstituted 2,2-dibromocyclopropanes with sodium hydroxide under phase-transfer conditions in the presence of alkenes.
