Hammett functions and the deuterium kinetic isotopic effect in reactions of arylation and dimerization on substituted styrenes under the action of palladium(II)

Journal Article · Mon Nov 01 04:00:00 EST 1982 · Kinet. Catal. (Engl. Transl.); (United States)

OSTI ID:6107750

Yatsimirskii, A K; Savinova, I Yu

The kinetics of the oxidative dimerization of p-substituted styrene under the action of Pd(II) acetate was studied. A kinetic isotopic effect of the reaction k(C/sub 6/H/sub 5/CH double bond CH/sub 2/)/k(C/sub 6/H/sub 5/CH double bond CD/sub 2/) = 3.0 +- 0.1 was found. The rate constants of the reaction obey the Hammett equation with slope rho = -2.4. The relative rate constants of transfer of a phenyl group to p-substituted styrene in the reaction of their oxidative arylation by benzene under the action of Pd(II) acetate were found by the method of competing reactions. The absence of an isotopic effect and a simple Hammett correlation was established for these constants; however, they satisfactorily follow a modified equation of the type of log (k/sub X//k/sup H/) = 1.65 sigma-0.95 sigma/sup +/.

• Research Organization: M.V. Lomonosov Moscow State Univ., USSR
• OSTI ID: 6107750
• Journal Information: Kinet. Catal. (Engl. Transl.); (United States), Journal Name: Kinet. Catal. (Engl. Transl.); (United States) Vol. 23:3; ISSN KICAA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400302* -- Organic Chemistry-- Isotope Effects-- (-1987)
ACETATES
ALKENES
AROMATICS
CARBOXYLIC ACID SALTS
CATALYTIC EFFECTS
CHEMICAL REACTIONS
DEUTERIUM
DIMERIZATION
HYDROCARBONS
HYDROGEN ISOTOPES
ISOTOPE EFFECTS
ISOTOPES
LIGHT NUCLEI
NUCLEI
ODD-ODD NUCLEI
ORGANIC COMPOUNDS
PALLADIUM COMPOUNDS
POLYCYCLIC AROMATIC HYDROCARBONS
POLYMERIZATION
STABLE ISOTOPES
STYRENE
TRANSITION ELEMENT COMPOUNDS