Evaluation of the selectivity of the epoxidation of cis-versus trans-alkenes by oxo [meso-tetrakis (2, 6-dibromophenyl) porphinato] chromium (V). Dynamics, products, …

GX He, HY Mei, TC Bruice

Index: He, Gong-Xin; Mei, Houng-Yau; Bruice, Thomas C. Journal of the American Chemical Society, 1991 , vol. 113, # 15 p. 5644 - 5650

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Citation Number: 27

Abstract

(E)-1, 2-bis (trans-2, trans-3-diphenylcyclopropyI) ethene, and also (a-1, 2-bis (trans-2, trans- 3-diphenylcyclopropyl) ethene. The influence of electronic and steric factors in determining the second-order rate constants (k,) for the reactions of trans-alkenes with (Br8TPP) CrV (0)(X) were separated by use of the linear free-energy relationship of log k, and the one- electron oxidation potentials (El $ established by the reaction of a series of cis-alkenes ...

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