Synthetic biodegradable polyhydroxyalkanoates (PHAs): Recent advances and future challenges

AH Westlie, EC Quinn, CR Parker, EYX Chen - Progress in Polymer …, 2022 - Elsevier
This article reviews the advances made over the past five decades of research in developing
effective chemocatalytic pathways to synthesize polyhydroxyalkanoates (PHAs), a prominent …

Spiro-salen catalysts enable the chemical synthesis of stereoregular polyhydroxyalkanoates

HY Huang, W Xiong, YT Huang, K Li, Z Cai, JB Zhu - Nature Catalysis, 2023 - nature.com
Although bacterial stereoregular polyhydroxyalkanoates have attracted broad interest as
sustainable materials, it remains a long-standing challenge to chemically synthesize …

Highly Isoselective Ring-Opening Polymerization of rac-β-Butyrolactone: Access to Synthetic Poly(3-hydroxybutyrate) with Polyolefin-like Material Properties

J Bruckmoser, S Pongratz, L Stieglitz… - Journal of the American …, 2023 - ACS Publications
We report the highly isoselective ring-opening polymerization (ROP) of racemic β-
butyrolactone (β-BL) using in situ-generated catalysts based on Y [N (SiHMe2) 2] 3 (THF) 2 …

Atactic, Isotactic, and Syndiotactic Methylated Polyhydroxybutyrates: An Unexpected Series of Isomorphic Polymers

Z Zhou, AM LaPointe, GW Coates - Journal of the American …, 2023 - ACS Publications
Polyhydroxyalkanoates (PHAs), such as poly [(R)-3-hydroxybutyrates][(R)-P3HB], are
produced by bacteria and are promising alternatives to nondegradable polyolefin plastics …

Zinc Aryl/Alkyl β-diketiminates: Balancing Accessibility and Stability for High-Activity Ring-Opening Polymerization of rac-Lactide

JE Chellali, AK Alverson, JR Robinson - ACS Catalysis, 2022 - ACS Publications
The development of nontoxic initiators which display both high activity and stability at low
catalyst concentrations can be challenging, as these desired attributes often involve …

Highly Enantioselective Polymerization of β-Butyrolactone by a Bimetallic Magnesium Catalyst: An Interdependent Relationship Between Favored and Unfavored …

MS Young, AM LaPointe, SN MacMillan… - Journal of the …, 2024 - ACS Publications
Herein, we report that (S, S)-prophenolMg2 (μ-O n Bu)(THF) 2 ((S, S)-1, prophenol=(S, S)-2,
6-bis [2-(hydroxydiphenylmethyl) pyrrolidin-1-ylmethyl]-4-methylphenol) is a highly …

Synthesis of N-Methyl-o-phenylenediamine-Bridged Bis(phenolato) Lanthanide Alkoxides and Their Catalytic Performance for the (Co)Polymerization of rac-Butyrolactone and …

T Tian, C Feng, Y Wang, X Zhu, D Yuan… - Inorganic …, 2022 - ACS Publications
A series of lanthanide alkoxo complexes supported by ONNO salalen ligands were
synthesized and characterized. A one-pot reaction of LH2 (L=(2-O–C6H2–t Bu2-3, 5) CH═ …

Syndioselective Ring-Opening Polymerization of β-Lactones Enabled by Dimethylbiphenyl-Salen Yttrium Complexes

M Xie, HY Huang, YT Huang, YC Ye, Z Cai… - ACS Macro …, 2024 - ACS Publications
Polyhydroxyalkanoates (PHAs) have served as promising alternatives to traditional
petroleum-based plastics. Chemical synthesis of stereoregular PHAs via stereocontrolled …

High-Throughput Approach in the Ring-Opening Polymerization of β-Butyrolactone Enables Rapid Evaluation of Yttrium Salan Catalysts

J Bruckmoser, S Pongratz, B Rieger - Organometallics, 2023 - ACS Publications
Poly (3-hydroxybutyrate)(PHB) is a material produced naturally by bacteria but is also
chemically accessible via ring-opening polymerization (ROP) of β-butyrolactone (β-BL). In …

Metal-catalyzed stereoselective ring-opening polymerization of functional β-lactones: methylene-alkoxy-fluorinated polyhydroxyalkanoates unveil the role of non …

A Dhaini, RM Shakaroun, A Alaaeddine… - Polymer …, 2024 - pubs.rsc.org
Non-covalent interactions (NCIs) can play a major role in the stereoselective ring-opening
polymerization (ROP) of racemic β-lactones mediated by achiral metal catalysts, towards the …