The smooth deoxygenation of diketones via the Catecholborane reduction of the corresponding ditosylhydrzaones is described. The reductions occur under mild conditions and are suitable for sensitive compounds.
Yang, Dominic T.C.; Yang, Michael C.W.; Kabalka, George W.; and Chandler, J. H.
"Catecholborane Reductions of Ditosylhydrozones to the Corresponding Methylene Derivatives,"
Journal of the Arkansas Academy of Science: Vol. 31
, Article 35.
Available at: http://scholarworks.uark.edu/jaas/vol31/iss1/35