Tetrahedron p. 1153 - 1162 (1999)
Update date:2022-08-28
Topics:
Kiselev, Vladimir D.
Kashaeva, Elena A.
Konovalov, Alexander I.
The pressure effect on the forward and backward rate constants and equilibrium constants of the Diels-Alder reaction of 9-chloroanthracene with tetracyanoethylene has been investigated in 1,2-dichloroethane up to 1000 kgcm-2 at 298.15 K. The reaction volume obtained from the pressure effect on equilibrium (-20.6 ±1.5 cm3 mol-1) and as difference of activation volumes of forward (-28.5±1.5) and backward (-6.5 ± 0.5) reaction (- 22.0±1.5 cm3 mol-1) are in agreement with partial molar volume difference of adduct (255.5±1.5) {diene (170.7±0.5) and dienophile (107.8±0.2)} giving -23.0 ±2 cm3 mol-1.
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