Synthesis and crystal structure of 2,4,6,8-tetra­kis­(3,5-di-tert-butyl­phen­oxy)pyrimido[5,4-d]pyrimidine: expansion of the Piedfort concept

Gall, J.H.; MacNicol, D.D.; MacSween, R.; Frampton, C.S.

doi:10.1107/S2056989019002470

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
(a) View of molecule A of the asymmetric unit with the atom labelling. Displacement ellipsoids are drawn at the 50% probability level. (b) View of molecule B of the asymmetric unit with the atom labelling. Displacement ellipsoids are drawn at the 50% probability level.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 75| Part 3| March 2019| Pages 383-387

https://doi.org/10.1107/S2056989019002470

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