Conversion of 3-amino-4-aryl­amino-1H-iso­chromen-1-ones to 1-aryl­iso­chromeno[3,4-d][1,2,3]triazol-5(1H)-ones: synthesis, spectroscopic characterization and the structures of four products and one ring-opened derivative

Vicentes, D.E.; Romero, A.L.; Rodríguez, R.; Cobo, J.; Glidewell, C.

doi:10.1107/S2053229620003757

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 8
Part of the crystal structure of compound (II)

, showing the formation of a π-stacked chain parallel to [100]. For the sake of clarity, H atoms have all been omitted. O atoms marked with an asterisk (*), a hash (#), a dollar sign ($) or an ampersand (&) are at the symmetry positions (−x + 1, −y + 1, −z + 1), (−x, −y + 1, −z + 1), (x + 1, y, z) and (x − 1, y, z), respectively.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 76| Part 5| May 2020| Pages 446-453

https://doi.org/10.1107/S2053229620003757

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