Results 111 to 120 of about 17,328 (234)
Journal of Saudi Chemical SocietyA rhodium-catalyzed cyclopropanation of pyrrole derivatives with electron-rich cyclopropenes is reported for the efficient access to vinyl functionalized cyclopropane fused pyrrolidine scaffolds, including 2-azabicyclo[3,1,0]hex-3-ene and 5-azatricyclo[4.
Dongyan Ju +5 more
doaj +1 more source
Synthesis of cyclopropane containing natural products
, 2001 The synthesis of select cyclopropane containing natural products is ...
Donaldson, William A.
core
Thermal Isomerization of (3-Butenyl)cyclopropane to Norbornane
, 2016 (3-Butenyl)cyclopropane isomerizes thermally to norbornane and gives rise to many other products. Deuterium and carbon-13-labeled versions of (3-butenyl)cyclopropane have been prepared and isomerized, establishing that the formation of norbornane ...
John E. Baldwin (2095966) +2 more
core +1 more source
Uptake of cyclopropane by the human body
, 1959 The uptake of cyclopropane was measured in 5 human subjects who breathed a 1% concentration of the gas in oxygen for periods ranging from 7 to 62 minutes.
R. D. Dripps, H. L. Price, P. H. Sechzer
core +1 more source
Nuclear Magnetic Resonance Spectroscopy. Cyclopropane Derivatives
, 1963 Chemical shifts and coupling constants have been determined from the analysis of proton nuclear magnetic resonance spectra for a series of cyclopropane derivatives. The geminal and vicinal cyclopropyl couplings have opposite signs.
Howden, M. E. H. +2 more
core
Journal of the Brazilian Chemical Society, 1998 As an extension to our work on intramolecular annulations via silyloxycyclopropane derived anions, we have investigated the chemistry of cyclopentyl cyclopropane systems, 6-9, in an effort to prepare stereospecifically functionalized hydrindenones.
Marino J.P. +3 more
doaj
Advanced Science(Difluoromethylated cyclopropane represents an important motif, which is widely found in bioactive and functional molecules. Despite significant progress in modern chemistry, the atom‐economic and enantioselective synthesis of difluoromethylated ...
Chuntao Wang +3 more
doaj +1 more source
Sequential Two-Electron Transfer from Tetraoxy-Substituted Cyclopropane to Acceptors
, 2016 Sequential Two-Electron Transfer from Tetraoxy-Substituted Cyclopropane to ...
Sven M. Asmus (3008031) +2 more
core +1 more source
Biotechnology for Biofuels and BioproductsBackground Recent engineering efforts have targeted the ethanologenic bacterium Zymomonas mobilis for isobutanol production. However, significant hurdles remain due this organism’s vulnerability to isobutanol toxicity, adversely affecting its growth and ...
Julio Rivera Vazquez +7 more
doaj +1 more source