Просьба залить статейку:
Richard N. Butler, Terence McEvoy, Ermitas Alcalde, Rosa M. Claramunt and José Elguero, Aromatic systems with 10 electrons derived from 3a-azapentalene. Part 37. Cyclization of the anion of azido-s-triazole into the anion of s-triazolo[2,3-d]tetrazole, J. Chem. Soc., Perkin Trans. 1, 2886-2890(1979).
Код: Выделить всё
http://dx.doi.org/10.1039/P19790002886 Upd
Abwer,