Transition-Metal-Free [3+2] Dehydration Cycloaddition of Donor-Acceptor Cyclopropanes With 2-Naphthols.

Transition-Metal-Free [3+2] Dehydration Cycloaddition of Donor-Acceptor Cyclopropanes With 2-Naphthols.
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DOI:
10.3389/fchem.2021.711257
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发表时间:
2021
影响因子:
5.5
通讯作者:
Zhao Y
Zhao Y
中科院分区:
化学3区
文献类型:
--
作者:
Zhao H;Shen P;Sun D;Zhai H;Zhao Y

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本文报道了在Brønsted酸催化下,环丙烷和2-萘酚的给体-受体(D-A)多米诺开环反应。这种形式的[3+2]环化反应提供了新的和有效的方法,在没有任何过渡金属催化剂或添加剂的情况下,萘稠环戊烷。在克规模上顺利完成了这一耐用程序,以提供具有相当效率的相应产品。此外,所制备的产物的合成应用已通过其转化成各种合成有用的分子而得到证实。
A Brønsted acid-catalyzed domino ring-opening cyclization transformation of donor-acceptor (D-A) cyclopropanes and 2-naphthols has been developed. This formal [3+2] cyclization reaction provided novel and efficient access to the naphthalene-fused cyclopentanes in the absence of any transition-metal catalysts or additives. This robust procedure was completed smoothly on a gram-scale to afford the corresponding product with comparable efficiency. Furthermore, the synthetic application of the prepared product has been demonstrated by its transformation into a variety of synthetically useful molecules.
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