Elimination Reactions in Cyclic Systems. VI. Reaction of Iodide Ion with Cyclic trans-Dibromides

1956 ◽  
Vol 78 (23) ◽  
pp. 6072-6075 ◽  
Author(s):  
Joseph Weinstock ◽  
Sheldon N. Lewis ◽  
F. G. Bordwell
Keyword(s):  
Iodide Ion ◽  
Cyclic Systems ◽  
Elimination Reactions

Solvolytic reactions of empiric 3-methanesulfonyloxy-7-benzoyloxy-5β,6β-cyclopropanocholestanes

1986 ◽  
Vol 51 (2) ◽  
pp. 436-446 ◽  
Author(s):  
Ladislav Kohout ◽  
Vijay Kumar Sethi ◽  
Jaroslav Zajíček ◽  
Alexander Kasal
Keyword(s):  
Spectral Methods ◽  
Elimination Reactions

Acetolysis of 3-methanesulfonyloxy-7-benzoyloxy-5β,6β-cyclopropanocholestanes with various configurations in positions 3 and 7 is described and the products are assigned structure using spectral methods. The 7-substituted compounds show greater propensity to elimination reactions than the 7-unsubstituted ones.

Simple theoretical models for elimination reactions on polar catalysts; The reactivity of halogeno-, hydroxy-, amino- and mercaptopropane

1982 ◽  
Vol 47 (8) ◽  
pp. 2180-2189 ◽  
Author(s):  
Jiří Sedláček
Keyword(s):  
Theoretical Models ◽  
Molecular Orbitals ◽  
Localized Molecular Orbitals ◽  
Hydroxy Amino ◽  
Elimination Reactions ◽  
Simple Models

CNDO/2 calculations have been made for simple models of the adsorption of (CH3)2CHZ molecules (Z = Cl, OH, NH2, and SH) on the surface of polar catalysts. The results of these calculations and their interpretation by the method of configuration analysis in terms of uniformly localized molecular orbitals made it possible to explain satisfactorily a series of experimental facts. The mechanism and stereoselectivity of the reaction as well as reactivity trends for the series of the molecules studied are discussed.

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