SCHEDULED MAINTENANCE
Sodium iodide debromination of tetrakis- and hexakis-(dibromomethyl)carbocycles gives bromodicyclobutarenes and/or quinodimethanes, and o-bis(dibromomethyl)biphenylenes give cyclobutabiphenylene derivatives. Dehydrohalogenation of these compounds generates cyclobutadienoid intermediates, some reactions of which are described.
M. K. Shepherd, J. Chem. Soc., Perkin Trans. 1, 1988, 961 DOI: 10.1039/P19880000961
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