M. I. Komendantov, Yu. B. Koptelov, R. Kostikov
Oct 6, 1987
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Abstract
The treatment of 2,2,4,4-tetraalkyl-substituted 1,1,3,3-tetrachlorocyclobutanes with lithium in tert-butyl alcohol led to the production of 2,2,4,4-tetrasubstituted bicyclo(1.10)butanes. It was established that the reaction takes place through 1,3-dichlorobicyclo(1.1.0)butanes. The /sup 13/C NMR spectra were recorded on a CFT-20 instrument at 20 MHz for 40-50% solutions in deuterochloroform. Chromato-mass-spectrometric analysis was performed on a LKB-2091 instrument at 70 eV.