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Study of the reaction of MoOS 2 (S 2 CNR 2 ) 2 with PPh 3 in 1,2‐dichloroethane: Part I. Kinetics of the teaction of MoOS 2 (S 2 CNR 2 ) 2 with triphenylphosphine PPh 3
Author(s) -
Xiaoqing Song,
Huixing Yang,
Degang Han
Publication year - 1989
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550210902
Subject(s) - chemistry , kinetics , reaction rate constant , 1,2 dichloroethane , chemical kinetics , medicinal chemistry , analytical chemistry (journal) , catalysis , organic chemistry , physics , quantum mechanics
The kinetics of the reaction of MoOS 2 (S 2 CNR 2 ) 2 (R = CH 3 , C 2 H 5 , n ‐C 3 H 7 ) with PPh 3 have been studied using a Stopped‐flow method. It was found that these MoOS 2 (S 2 CNR 2 ) 2 complexes react with PPh 3 in the form of an irreversible second‐order reaction. The rate constants at 25°C are respectively 48.4, 23.8, and 20.8 mol −1 dm 3 s −1 and the activation energies are 4.8, 4.9, and 5.0 Kcal/mol with R = CH 3 , C 2 H 5 , and n ‐C 3 H 7 .