SYNTHESIS OF SILACYCLOBUTANE AND SOME RELATED COMPOUNDS
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The first preparation of silacyclobutane, its 1,1-difluoro derivative, and several other silicon compounds is reported. Infrared spectra of several silacyclobutanes demonstrate that these four-membered rings can be characterized by three absorption peaks in the 950-850-cm-1 range and by two near 1130 and 1180 cm-1. The nmr spectra of these ring compounds are compared to other four-membered ring species. A mass spectrum of silacyclobutane is compared to that of silacyclopentane. 1967, American Chemical Society. All rights reserved.