Four products from the cyano­acetyl­ation of pyrimidines: hydrogen-bonded dimers, π-stacked hydrogen-bonded chains and hydrogen-bonded chains of edge-fused rings

Trilleras, J.; Low, J.N.; Cobo, J.; Marchal, A.; Glidewell, C.

doi:10.1107/S0108270108003557

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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

, showing the formation of a hydrogen-bonded chain of alternating R₂¹(6) and R₁²(6) rings along [010]. For the sake of clarity, H atoms bonded to atoms C5 and C21 have been omitted. Atoms marked with an asterisk (*), a hash (#) or an ampersand (&) are at the symmetry positions (1 − x, $[{1\over 2}]$ + y, $[{1\over 2}]$ − z), (1 − x, − $[{1\over 2}]$ + y, $[{1\over 2}]$ − z) and (x, 1 + y, z), respectively.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 64| Part 3| February 2008| Pages o149-o154

doi:10.1107/S0108270108003557

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