Catalytic hydrodebromination of aryl bromides by cobalt tetra-butyl porphyrin complexes with EtOH

Add time:07/13/2019    Source:sciencedirect.com

Hydrodebromination of aryl bromides catalyzed by electron rich and sterically unhindered cobalt 5,10,15,20-tetrabutylporphyrin was achieved at mild conditions in good yields employing EtOH as the hydrogen source. The catalytic efficiency was enhanced compared with previously reported by cobalt tetra-aryl porphyrin catalysts. A revised mechanism of single electron transfer was proposed.

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