Synthesis and characterization of [4‐{(CH<sub>2</sub>O)<sub>2</sub>CH}C<sub>6</sub>H<sub>4</sub>]<sub>2</sub>Hg, [4‐(O=CH)C<sub>6</sub>H<sub>4</sub>]<sub>2</sub>Hg and [(E)‐4‐(RN=CH)C<sub>6</sub>H<sub>4</sub>]<sub>2</sub>Hg (R = 2′‐py, 4′‐py, 2′‐pyCH<sub>2</sub>, 4′‐pyCH<sub>2</sub>)