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The Zhan catalyst is named after its inventor, Dr. Zhan Zhengyun, and is protected by several global patents. The most innovative contribution of these Zhan catalysts are to optimize the catalytic activity in the olefin metathesis reactions (such as RCM, ROMP, and CM), accelerate the reaction selectivity and speed effectively, improve the product yield, simplify the product purification process, more suitable for industrialization. Among them, the solid-loaded series of Zhan catalysts are recyclable and reusable, environmentally friendly. So far, Zhan catalysts are well-known as one of the best choices in metathesis reaction , and are globally recognized by the industry and the market.

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