Heterocycles p. 1023 - 1034 (1995)
Update date:2022-09-26
Topics:
Okawara, Tadashi
Takaishi, Hisashi
Okamoto, Yoshinari
Yamasaki, Tetsuo
Furukawa, Mitsuru
The reaction of N,N'-bis(3-aminopropyl)ethylenediamine (1) with glyoxal (2) in the presence of benzotriazole (3) afforded dibenzotriazoyltetraazaperhydropyrene (4), which was converted to polyazapolycycles (6), (13), (15), (16), and (19).The stereochemistry is discussed.
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Doi:10.1002/anie.201409065
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(2021)
