Daniël S. Verdoorn, Alessio Zuliani, Prabhat Ranjan, Juan P. Holgado, Noureddine Khiar, Jordy Saya, Carolina Carrillo-Carrión, Bert Maes, Romano Orru
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引用次数: 0
Abstract
The synthesis of carbodiimides via nitrene transfer to isocyanides has garnered significant attention in recent years. However, this reaction predominantly relies on homogeneous catalytic systems with high catalyst loadings. In this study, we employed ZIF‐67 MOF as a heterogeneous catalyst for carbodiimide synthesis and conducted an in‐depth analysis of its stability. Our findings reveal the non‐innocent role of catalyst leaching, demonstrating that even as little as 0.04 mol% of leached cobalt species is sufficient to catalyze this reaction. This result is in contrast with previous reports, where 5–10 mol% of cobalt‐loading is required. Furthermore, this study highlights that lower catalyst loadings are more efficient, particularly in cases where isocyanides exhibit limited stability.
期刊介绍：
Advanced Synthesis & Catalysis (ASC) is the leading primary journal in organic, organometallic, and applied chemistry.
The high impact of ASC can be attributed to the unique focus of the journal, which publishes exciting new results from academic and industrial labs on efficient, practical, and environmentally friendly organic synthesis. While homogeneous, heterogeneous, organic, and enzyme catalysis are key technologies to achieve green synthesis, significant contributions to the same goal by synthesis design, reaction techniques, flow chemistry, and continuous processing, multiphase catalysis, green solvents, catalyst immobilization, and recycling, separation science, and process development are also featured in ASC. The Aims and Scope can be found in the Notice to Authors or on the first page of the table of contents in every issue.
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