Synthetic Communications p. 119 - 130 (2000)
Update date:2022-08-02
Topics:
Liu, Xianjun
Liu, Yi
Wang, Quanrui
Zou, Jianping
Unprecedented [1,2,4]-Triazolo[3,2-d][1,5]benzoxazepine skeleton was easily achieved by cycloaddition of the allene-like cations 3, derived from 4-chromanone arylhydrazones, to the triple bond of nitriles and ensuing ring enlargement. The structural assig
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