1H NMR kinetic investigation of the equilibrium between the Z- and E- isomers in a stable phosphorus ylide involving 2-mercaptobenzimidazole. (1st September 2013)

• Record Type: Journal Article
• Authors: Khorassani, Sayyed Mostafa Habibi; Maghsoodlou, Malek Taher; Ebrahimi, Ali; Kazemian, Mohammad Amin; Salari, Sara Sameh; Nasiri, Shahin
• Is Part Of: Progress in reaction kinetics and mechanism. Volume 38:Number 3(2013)
• Page Start: 295
• Page End: 304
• Publication Date: 2013-09-01
• Subjects: Chemical kinetics -- Periodicals; 541.39405
• DOI: 10.3184/146867813X13738207456613
• Languages: English
• ISSNs: 1468-6783

Abstract

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