Isosmaragdyrin with an N3C2 core is successfully achieved by introducing a 2,6-di-m-phenylpyridine unit. The core is utilized to stabilize the Rh(I) ion in the N–Rh(I)–N bonding mode and the Pt(II) ion in the (N^C)N fashion to form an unsymmetrical pincer-type organometallic complex.
