Latest News
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Koala named ‘Koko’ symbolizes China-Australia university friendship
The koala presented by Australia's Griffith University to the University of Chinese Academy of Sciences was recently named "Koko", reflecting the shared scientific roots and enduring friendship between the two institutions.
The name is inspired by the English word "koala" and the Chinese phonetic for "science" (Ke Xue), symbolizing the commitment to research and innovation that defines both universities, according to UCAS.
According to UCAS, the symbolic gift was presented during a visit by Griffith University Vice Chancellor and President Carolyn Evans to UCAS in 2024, commemorating 15 years of their partnership.
Although Koko resides at the Currumbin Wildlife Sanctuary in Australia, the koala is officially adopted by Griffith University on behalf of UCAS, highlighting their shared dedication to wildlife conservation and their lasting friendship, UCAS added.
Source: China Daily
Editor: GAO Yuan
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Research News
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Chinese scientists develop breakthrough method for aromatic amine applications
BEIJING, Nov. 16 (Xinhua) -- A Chinese research team has developed an advanced method to overcome long-standing challenges in the application of aromatic amines, promising a safer and more efficient alternative to an old industrial process, according to a study recently published in the journal Nature.
The research, led by Zhang Xiaheng from the Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, introduces a novel strategy that efficiently converts inert aromatic carbon-nitrogen bonds into various crucial chemical bonds.
Aromatic amines are fundamental structural components widely found in pharmaceuticals, agrochemicals and natural products. However, their potential as versatile building blocks in synthesis has remained underdeveloped.
For over a century, industrial practices have relied on converting aromatic amines into diazonium salts -- intermediates known for their high explosiveness and instability. This conventional approach suffers from significant drawbacks, including safety hazards, excessive copper reagent consumption, and limited substrate compatibility.
To address these challenges, the research team spent three years dedicated to exploring direct activation pathways for aromatic amines. Ultimately, they successfully developed a novel direct deaminative functionalization technology using common and inexpensive laboratory reagents.
The new method offers significant advantages for poly-nitrogen heterocyclic systems commonly used in drug synthesis. With simple and readily available laboratory reagents, it exhibits excellent versatility -- applicable to almost all types of medicinal heteroaromatic amines and aniline derivatives with diverse electronic properties and structures, regardless of amino group position. Moreover, it enables kilogram-scale production through straightforward operations.
This research opens up a new pathway for rapidly constructing complex molecules from readily available starting materials, offering significant potential for advancing research and development in medicinal chemistry, Zhang said.
Source: Xinhua
Editor: GAO Yuan
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