133191-28-3Relevant academic research and scientific papers
Regioselective coupling of ethynylcyclopropane units: Hexaspiro[2.0.2.4.2.0.2.4.2.0.2.4]triaconta-7,9,17,19,27,29-hexayne
De Meijere, Armin,Jaekel, Frank,Simon, Arndt,Borrmann, Horst,K?hler, Jürgen,Johnels, Dan,Scott, Lawrence T.
, p. 3935 - 3938 (2007/10/02)
Regioselective synthetic methods are reported for the head to head, head to tail, and tail to tail coupling of ethynylcyclopropanes. Oxidative cyclization of the head to head dimer 5-H2 under high dilution conditions gave the title compound, an 18-membered macrocycle comprising six acetylenic units and six spirocyclopropanes that alternate pairwise around the ring. An X-ray crystal structure and spectroscopic properties of this novel macrocycle are reported.
