82238-72-0Relevant academic research and scientific papers
Singlet Oxygenation and Triazolinedione Addition to Spirofluorene-1,3,5-cycloheptatriene
Adam, Waldemar,Duerr, Heinz,Pauly, Karl-Heinz,Peters, Eva-Maria,Peters, Karl,et al.
, p. 1333 - 1338 (2007/10/02)
Spirocyclopentadiene-, 1,4-diphenylspirocyclopentadiene-, and 1,2,3,4-tetrachlorospirocyclopentadiene-1,3,5-cycloheptatrienes (1a-c) all afford urazoles 3a-c with 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD) in which cycloaddition takes place at the cyclope
CYCLOADDITION OF SINGLET OXYGEN AND TRIAZOLINEDIONE (TAD) WITH SPIROCYCLOPENTADIENYL-1,3,5-CYCLOHEPTATRIENES: TROPILIDENE VERSUS NORCARADIENE REACTIVITY
Adam, Waldemar,Rebollo, Hector,Duerr, Heinz,Pauly, Karl-Heinz,Peters, Karl,et al.
, p. 923 - 926 (2007/10/02)
4-Methyl-1,2,4-triazoline-3,5-dione (MTAD) gives with 7-spirofluorenyl-1,3,5-cycloheptatriene (1d) initially the norcaradiene-type urazole (N3d) which at ambient temperatures rearranges into (6d), while 1O2 gives the tropilidene-type endoperoxide (T4d).
