120476-20-2Relevant academic research and scientific papers
2,4-Dimethylene-1,3-cyclobutanediyl, the Non-Kekule Isomer of Benzene. Synthesis, EPR, and Electronic Spectroscopy
Snyder, Gary J.,Dougherty, Dennis A.
, p. 3927 - 3942 (2007/10/02)
The preparation and direct observation of triplet 2,4-dimethylene-1,3-cyclobutanediyl (1), the non-Kekule isomer of benzene, is described.The biradical was generated by photolysis of 5,6-dimethylene-2,3-diazabicyclohex-2-ene (2) (which was synthesi
