132292-34-3Relevant academic research and scientific papers
Trapping of diacceptor-substituted methylenecyclopropanes with isocyanides - A further application of the principle of the twofold nucleophilic substitution at a cyclopropane
Vilsmaier,Baumheier,Lemmert
, p. 995 - 998 (2007/10/02)
Unstable 2-cyclopropylidene-1,3-diones 3 can be trapped by isocyanides 8 to give [4 +1]-cycloadducts 9 and 12. In the case of Meldrum's acid, as the dioxo component, spirotricyclic imides 15 are isolated due to an easy degradation of the primary cycloaddi
