Diazatricyclononadiene derivatives and their preparation

摘要

Compounds of the formula <IMAGE> in which one of the radicals R<1> and R<2> is a hydrogen atom and the other radical is a -O-(CO)n-R<3> group in which, if n = 0, R<3> is a hydrogen atom, a straight-chain or branched alkyl radical having 1 to 10 carbon atoms or a trimethylsilyl group or, if n = 1, R<3> is a straight-chain or branched alkyl radical having 1 to 10 carbon atoms or a trifluoromethyl group, or the radicals R<1> and R<2> together are an oxygen atom, and their preparation.