Encyclopedia Judaica. 1971.
Saul Winstein — Infobox Scientist name = Saul Winstein image width = caption = Saul Winstein birth date = birth date|1912|10|8 birth place = residence = nationality = American death date = death date and age|1969|11|23|1912|10|8 death place = field = Physical… … Wikipedia
Maurice Brookhart — Maurice S. Brookhart is the William R. Kenan, Jr. Professor of Chemistry (1990 to the present) in the Department of Chemistry at the University of North Carolina. Maurice Brookhart Born … Wikipedia
James Fraser Stoddart — Naissance 24 mai 1942 Edinburgh (Écosse) Nationalité Britannique Champs Chimie … Wikipédia en Français
Homoaromaticity — in organic chemistry is found in conjugated cyclic systems that are able to skip a part of the ring as opposed to regular aromaticity. Like ordinary aromatic compounds, homoaromatic compounds are more stable than what would be expected based on… … Wikipedia
Donald J. Cram — Donald James Cram Born April 22, 1919 Chester, Vermont Died June 17, 2001 (aged 82) Palm Desert, California[1] … Wikipedia
Non-classical ion — Non classical ions in organic chemistry are a special type of carbonium ions displaying delocalization of sigma bonds in 3 center 2 electron bonds of bridged systems.[1] The term non classical ion was first used by John D. Roberts in 1951[2][3]… … Wikipedia
Colin Eaborn — Born March 15, 1923(1923 03 15) Chester Died February 22, 2004(2004 02 22) (aged 80) … Wikipedia
A value — An A value is a measure of the conformational preference of an equatorial compared to an axial substituent in a monosubstituted cyclohexane. [GoldBookRef |title=A value |file=A00012 |year=1994] It is defined as the Gibbs free energy difference… … Wikipedia
Homoaromatizität — Die Homoaromatizität aus dem Gebiet der organischen Chemie findet sich in konjugierten cyclischen Systemen, die in der Lage sind, einen Teil des Rings zu überspringen. Sie stehen damit im Gegensatz zur regulären Aromatizität, die nur bei planaren … Deutsch Wikipedia
Intimate ion pair — In chemistry the intimate ion pair concept introduced by Saul Winstein describes the interactions between a cation, anion and surrounding solvent molecules.[1] In ordinary aqueous solutions of inorganic salts an ion is completely solvated and… … Wikipedia
