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梁一怡

新虫 (初入文坛)

[求助] 【2+2+2】环加成反应的论文

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

金虫 (著名写手)

【答案】应助回帖

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爱与雨下: 金币+1 2016-05-27 20:31:04
梁一怡: 金币+5, 翻译EPI+1, ★★★很有帮助 2016-05-27 22:04:16
1. 尽管构建这些化合物的[2+2+2]环化加成的应用如此重要, 却很少受到关注。这种反应需要两个杂原子耦合伙伴与一个烃耦合伙伴的结合。
2. 霍贝格的第一个样品涉及在化学计量的产生嘧啶二酮的Ni(0)存在下一个炔和两个异氰酸酯的环化加成。11
我们实验室重新审视这种反应作用并成功地开发出第一个用于制备嘧啶二酮的催化[2+2+2]方法。12
2楼2016-05-26 13:46:15
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