Depolymerization of P4HB and PBS Waste and Synthesis of the Anticancer Drug Busulfan from Plastic Waste

Sustainable synthesis of pharmaceuticals is one of the main challenges for the pharmaceutical industry. Production of these compounds from plastic waste can provide an innovative and ecological approach to their sustainable synthesis. In this context, plastic waste can be regarded as a potential che...

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Bibliographic Details
Published in:Catalysts 2022-04, Vol.12 (4), p.381
Main Authors: Lourenço, Daniel L., Fernandes, Ana C.
Format: Article
Language:English
Subjects:
busulfan
Cancer
Catalysts
Chemical reactions
Coffee
Depolymerization
Methods
Pharmaceutical industry
Pharmaceuticals
plastic waste
Plastics
poly(4-hydroxybutyrate)
polybutylene succinate
Polybutylenes
reductive depolymerization
Synthesis
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Summary:Sustainable synthesis of pharmaceuticals is one of the main challenges for the pharmaceutical industry. Production of these compounds from plastic waste can provide an innovative and ecological approach to their sustainable synthesis. In this context, plastic waste can be regarded as a potential cheap resource for the production of compounds of interest to the pharmaceutical industry. In this work, the first methodologies for the reductive depolymerization of poly(4-hydroxybutyrate) (P4HB) and polybutylene succinate (PBS) plastic waste are reported using the catalyst systems MoO2Cl2(H2O)2/silane, MoO2Cl2(H2O)2/borane and KOH/PhSiH3 with moderate to excellent yields. We also developed the first synthetic strategy for the synthesis of a drug, the anticancer busulfan, from P4HB and PBS plastic waste with moderate overall yields.
ISSN:2073-4344
2073-4344
DOI:10.3390/catal12040381