1H NMR technique for kinetic investigation of equilibrium between the Z- and E-isomers in a stable phosphorus ylide involving a 2-indolinone. (7th July 2012)

• Record Type: Journal Article
• Authors: Khorassani, Sayyed Mostafa Habibi; Maghsoodlou, Malek Taher; Aghdaei, Elham; Shahraki, Mehdi
• Is Part Of: Progress in reaction kinetics and mechanism. Volume 37:Number 3(2012)
• Page Start: 301
• Page End: 310
• Publication Date: 2012-07-07
• Subjects: Chemical kinetics -- Periodicals; 541.39405
• DOI: 10.3184/146867812X13382029540569
• Languages: English
• ISSNs: 1468-6783

Abstract

For the first time, a kinetic investigation of the interchange process in the equilibrium between the Z- and E-isomers of a stable phosphorus ylide involving a 2-indolinone has been undertaken by the 1H NMR technique. Activation parameters such as k–1, k1, ktotal, Ea1, Ea–1, Eatotal, ΔS≠, ΔH≠ and ΔG≠ along with thermodynamic parameters such as Ke, ΔH°, ΔG° and ΔS° were obtained from experimental data for the forward and reverse reactions.