CYCLOADDITION OF SINGLET OXYGEN AND TRIAZOLINEDIONE (TAD) WITH SPIROCYCLOPENTADIENYL-1,3,5-CYCLOHEPTATRIENES: TROPILIDENE VERSUS NORCARADIENE REACTIVITY

DOI: 10.1016/S0040-4039(00)86984-1

Source and publish data:

Tetrahedron Letters p. 923 - 926 (1982)

Update date:2022-07-29

Topics:

Authors:

Adam, Waldemar

Rebollo, Hector

Duerr, Heinz

Pauly, Karl-Heinz

Peters, Karl

et al. et al.

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Article abstract of DOI:10.1016/S0040-4039(00)86984-1

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).

Full text of DOI:10.1016/S0040-4039(00)86984-1

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