
Tetrahedron p. 4437 - 4444 (1981)
Update date:2022-09-26
Topics:
Askani, R.
Kirsten, R.
Dugall, B.
Starting from bicyclo<3.3.0>octa-3,7-diones, several 3- and 7-substituted semibullvalenes were prepared.Cycloaddition of N-phenyltriazolindione to some of these semibullvalenes lead with rearrangement of the carbon skeleton to dihydrdioazatriquinacenes.De
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