Ru-MACHO®-BH is an effective catalyst for controlled depolymerization of polybutylene succinate. Under low pressure hydrogen the catalyst produces gamma-butyrolactone via a novel transfer hydrogenation wherein dehydrogenation and hydrogenation deconstruct the polymer chain. Simply increasing the hydrogen pressure selectively generates 1,4-butanediol.
M. L. Johnson, R. L. Fine, D. S. Stankowski, C. A. Koch, K. A. Limoges and N. J. Robertson, Chem. Commun., 2024, 60, 702 DOI: 10.1039/D3CC05239G
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