Nalazite se na CroRIS probnoj okolini. Ovdje evidentirani podaci neće biti pohranjeni u Informacijskom sustavu znanosti RH. Ako je ovo greška, CroRIS produkcijskoj okolini moguće je pristupi putem poveznice www.croris.hr
izvor podataka: crosbi !

Heterolytic reactivity of various organic leaving groups (CROSBI ID 584674)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Matić, Mirela ; Denegri, Bernard ; Jurić, Sandra ; Kronja, Olga Heterolytic reactivity of various organic leaving groups // IX. Susret mladih kemijskih inženjera, Zagreb, Hrvatska, 2012 / Sanja Martinez (ur.). Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2012. str. 148-148

Podaci o odgovornosti

Matić, Mirela ; Denegri, Bernard ; Jurić, Sandra ; Kronja, Olga

engleski

Heterolytic reactivity of various organic leaving groups

The heterolytic reactivity of any substrate undergoing SN1 reaction can be described by LFER Equation 1, in which the electrofugality parameter Ef represents the separated reactivity of the cationic part in a substrate, whereas the nucleofuge-specific parameters Nf and sf characterize reactivity of a leaving group in a given solvent.- log k (25 °C) = sf (Nf + Ef) (eq. 1)- For determining nucleofugality parameters of leaving groups of wide structural variability and reactivity the most comprehensive electrofugality scale based on 39 substituted benzhydrylium ions is employed. Solvolysis first-order rate constants of benzhydryl phenolates, benzoates and aliphatic carboxylates have been measured in various solvents and series of binary aqueous mixtures. Using correlation analysis according to Equation 1 nucleofuge-specific parameters have been yielded for leaving group/solvent combinations. Those Nf parameters enable comparison of leaving group abilities in general as well as estimation of the heterolytic reactivity at 25 °C for different combinations electrofuge/nucleofuge/solvent according to Equation 1. They also indicate variations of solvation effects in solvolysis.

leaving groups; nucleofugality; reactivity; LFER

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o prilogu

148-148.

2012.

objavljeno

Podaci o matičnoj publikaciji

IX. Susret mladih kemijskih inženjera, Zagreb, Hrvatska, 2012

Sanja Martinez

Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI)

978-953-6894-45-1

Podaci o skupu

IX. susret mladih kemijskih inženjera

poster

16.02.2012-17.02.2012

Zagreb, Hrvatska

Povezanost rada

Kemija