Production of functional C4 organic acids from ammonolysis of biofeedstock poly(3-hydroxybutyrate)

A new ammonolysis technology is developed for producing targeted functional C 4 acids from a renewable feedstock, i.e., poly(3-hydroxybutyrate) (PHB). β-Aminobutyric acid (BABA) and β-hydroxybutyric acid (BHBA) are produced from PHB with an aggregate selectivity of 99% under a one-pot catalyst-free...

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Bibliographic Details
Published in:Biomass conversion and biorefinery 2023-02, Vol.13 (4), p.2615-2621
Main Authors: Peng, Zhezhe, Yu, Donghai, Fu, Jinxia, Xu, Yongjun, Kang, Shimin
Format: Article
Language:English
Subjects:
Ammonia
Ammonolysis
Biotechnology
Energy
Organic acids
Polyhydroxybutyrate
Quantum chemistry
Reaction mechanisms
Renewable and Green Energy
Review Article
Selectivity
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Summary:A new ammonolysis technology is developed for producing targeted functional C 4 acids from a renewable feedstock, i.e., poly(3-hydroxybutyrate) (PHB). β-Aminobutyric acid (BABA) and β-hydroxybutyric acid (BHBA) are produced from PHB with an aggregate selectivity of 99% under a one-pot catalyst-free reaction at 140 °C. The product distribution can be controlled by ammonia concentration, and the reaction mechanism is investigated based on quantum chemical calculation. This work establishes a promising route for the production of β-substituted C 4 acids via a green and sustainable pathway.
ISSN:2190-6815
2190-6823
DOI:10.1007/s13399-021-01364-6