54563-03-0Relevant academic research and scientific papers
Reactions of Five-membered Mesoionic Heterocycles with o-Quinonoid Compounds, III. - Thermal Cycloaddition Reactions with 1,3-Diazolium-4-olates and a 1,3-Oxazolium-4-olate
Friedrichsen, Willy,Schroeer, Wolf-D.,Debaerdemaeker, Tony
, p. 1850 - 1858 (2007/10/02)
1,3-Diazolium-4-olates 6 and 3-methyl-5-(4-nitrophenyl)-1,3-oxazolium-4-olate (7) react with tetrachloro-o-benzoquinone (3) and N,N-diphenylsulfonyl-4,5-dimethyl-o-benzoquinone diimine (4), respectively, to give cycloadducts 10, 11, 12.The structure of 10b was determined by X-ray crystallography.
