Figure 4. Supramolecular association in the crystal of 3g: (a) N‒H…N hydrogen bonding (see ESI Fig. S2 and Table S1†) leading to a supramolecular chain aligned along the b-axis, (b) detail of the amine-N3a‒H…π(phenyl) interaction, (c) a side-on view of the supramolecular layer parallel to (1 0 1) and (d) a plan view of the layer (amine-N3a‒H…π(phenyl) interactions are not shown). Please refer to the text for an explanation of “i”-“vii” in (a)-(c). In all
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