l -丙交酯开环聚合的单核和双核β-氧-δ-二亚胺酸酯（BODDI）催化剂。

IF 3.3 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Dalton Transactions Pub Date : 2025-10-09 DOI:10.1039/d5dt01934f

Fabian Seifert,Dirk F-J Piesik,Flavio L Portwich,Janine Kowalke,Andreas Seifert,Rukiya Matsidik,Helmar Görls,Michael Sommer,Sjoerd Harder,Robert Kretschmer

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引用次数: 0

摘要

聚乳酸等聚酯是最有用的生物可降解聚合物，在许多应用中可以替代聚烯烃。在寻找基于生物相容性和非关键原料的强效催化剂时，双金属协同性已成为一种强有力的方法，但仍处于起步阶段。在这里，我们报道了13个单核和双核β-氧-δ-二亚胺（BODDI）配合物在l -丙交酯开环聚合（ROP）中的催化活性的比较研究。金属原子数量的变化，即金属，即Li， Mg， Ca和Zn，以及二级配体的数量对催化剂的活性和形成的聚合物的性质有重要影响。

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Mono- and dinuclear β-oxo-δ-diiminate (BODDI) based catalysts for the ring-opening polymerization of L-lactide.

Polyesters such as polylactic acid belong to the most useful biodegradable polymers being able to substitute polyolefins in many applications. In search for potent catalysts based on bio-compatible and non-critical raw materials bimetallic cooperativity has emerged as a powerful approach, but one that is still in its infancy. Here, we report a comparative study on the catalytic activity of overall 13 mono- and dinuclear β-oxo-δ-diiminate (BODDI) complexes in the ring-opening polymerization (ROP) of L-lactide. Variation of the number of metal atoms, the metal, i.e., Li, Mg, Ca, and Zn, as well as of the secondary ligand crucially impacts on the activity of the catalysts and properties of the formed polymers.

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来源期刊

Dalton Transactions 化学-无机化学与核化学

CiteScore

6.60

自引率

7.50%

发文量

1832

审稿时长

1.5 months

期刊介绍： Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.