108781-83-5Relevant academic research and scientific papers
INTRAMOLECULAR CYCLOADDITIONS WITH AZOMETHINE YLIDES FOR THE SYNTHESIS OF METACYCLOPHANES
Eberbech, W.,Fritz, H.,Heinze, I.,Laer, P. van,Link, P.
, p. 4003 - 4006 (2007/10/02)
On thermal treatment of the aziridines 5a-f intramolecular cycloaddition reactions of the intermediate azomethine ylides 6 result in the formation of the metacyclophanes 7-9.For 7a and 7b the conformational barriers are estimated to be approximately 20 and 12 kcal/mol, respectively.
