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Updated: Jun 5, 2026

Modification and Functionalization of the Guanidine Group by Tailor-made Precursors
Published on: April 27, 2017
N-Benzoyl-N',N''-diphenyl-guanidinium chloride
Abstract:
In the title compound, C(20)H(18)N(3)O(+)·Cl(-), the orientation of the aromatic rings around the planar CN(3) (+) unit produces steric hindrance. As a consequence of this particular orientation of the guanidinium cation, hydrogen bonding is restricted to N-H⋯Cl and intra-molecular N-H⋯O hydrogen bonds within the discrete unit. The guanidinium and carbonyl groups are coplanar as a result of the six-membered ring formed by the N-H⋯O intra-molecular hydrogen bond. The dihedral angles between the guanidinium plane and the two phenyl rings are 62.31 (8) and 64.24 (8)°.
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