The Nobel Prize for Chemistry for 2005 is shared by three chemists, YvesChauvin, Robert H Grubbs and Richard R Schrock, who have made fundamental discoveriesin olefin metathesis and its application in organic synthesis and polymerization.

• 法国科学家伊夫·肖万(Yves Chauvin)和美国科学家罗伯特·格拉布(Robert H Grubbs)、理查德·施罗克(Richard R Schrock)3人因为发展了烯烃复分解反应在有机合成中的应用,而共享了2005年度的诺贝尔化学奖。