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Research Article

Varying the flexibility of the aromatic backbone in half sandwich rhodium(III) dithiolato complexes: A synthetic, spectroscopic and structural investigation

, , & ORCID Icon | (Reviewing Editor)
Article: 1245900 | Received 02 Jul 2016, Accepted 04 Oct 2016, Published online: 24 Oct 2016

Figures & data

Figure 1. Dithiolate ligands studied in this work (charges omitted for clarity).

Figure 1. Dithiolate ligands studied in this work (charges omitted for clarity).

Figure 2. Structurally related aromatic sulfur donating ligands.

Figure 2. Structurally related aromatic sulfur donating ligands.

Figure 3. Iron-based catalysts based on A (left), B (centre) and C (right).

Figure 3. Iron-based catalysts based on A (left), B (centre) and C (right).

Figure 4. The section of the 1H NMR spectrum of 2c showing the four pseudo triplet of doublets with a splitting diagram showing how these signals are formed.

Figure 4. The section of the 1H NMR spectrum of 2c showing the four pseudo triplet of doublets with a splitting diagram showing how these signals are formed.

Figure 5. Crystal structures of 1 (Top), 2a (Middle left), 2b (Middle right), 2c (Bottom left) and 2d (Bottom right). Hydrogen atoms are omitted from all structures for clarity. Ellipsoids are plotted at the 50% probability level.

Figure 5. Crystal structures of 1 (Top), 2a (Middle left), 2b (Middle right), 2c (Bottom left) and 2d (Bottom right). Hydrogen atoms are omitted from all structures for clarity. Ellipsoids are plotted at the 50% probability level.

Figure 6. Synthesis of the pro-ligands H2a-c.

Figure 6. Synthesis of the pro-ligands H2a-c.

Figure 7. Reaction conditions for the preparation of 2a-d.

Figure 7. Reaction conditions for the preparation of 2a-d.

Table 1. 31P{1H} NMR data (CDCl3) for 1 and 2a-d. All δ values are in ppm and J values are in hertz

Table 2. Selected bond lengths [Å] and angles [°] for 1

Table 3. Selected bond lengths [Å], angles [°] and displacements [Å] for 2a-d

Table 4. Crystallographic data for complexes 1, 2a and 2b

Table 5. Crystallographic data for complexes 2c and 2d