(9E)‐9‐Benzylidene‐3‐methyl‐2‐methylsulfanyl‐5‐phenyl‐5,6,7,8,9,10‐hexahydropyrimido[4,5‐b]quinolin‐4(3H)‐one: polarized molecules within hydrogen‐bonded bilayers |
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Authors: | Diana Becerra Braulio Insuasty Justo Cobo Christopher Glidewell |
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Abstract: | The molecules of the title compound, C26H25N3OS, which was prepared by means of an acid‐catalysed cyclocondensation reaction between a 6‐aminopyrimidinone and 2,6‐dibenzylidenecyclohexanone, exhibit a polarized electronic structure, namely (9E)‐9‐benzylidene‐3‐methyl‐2‐methylsulfanyl‐5‐phenyl‐3,5,6,7,8,9‐hexahydropyrimido4,5‐b]quinolin‐10‐ium‐4‐olate, involving charge separation in the vinylogous amide portion. Four hydrogen bonds, two each of the C—H...O and C—H...π(arene) types, link the molecules into bilayers comprising inversion‐related pairs of sheets, each containing a single type of R43(36) ring. |
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