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【2+2+2】环加成反应的论文
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1. Despite such importance, the use of [2+2+2] cycloaddition for the construction of these compounds has received little attention.Such a reaction requires the incorporation of two heteroatom coupling partners to one hydrocarbon coupling partner. 2. The first example by Hoberg involved the cycloaddition of an alkyne and two isocyanates in the presence of stoichiometric Ni(0) producing a pyrimidine dione.11 Our lab revisited this reactivity and successfully developed the first catalytic [2+2+2] route to pyrimidine diones.12 （11和12为上标） |
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jiangguofeng
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2楼2016-05-26 13:46:15