Nickel-catalyzed difunctionalization of allyl moieties using organoboronic acids and halides with divergent regioselectivities.
Nickel-catalyzed difunctionalization of allyl moieties using organoboronic acids and halides with divergent regioselectivities.
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使用具有不同区域选择性的有机硼酸和卤化物对烯丙基部分进行镍催化双官能化。
DOI:
10.1039/c7sc03149a
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发表时间:
2018-01-21
期刊:
影响因子:
8.4
通讯作者:
Zhao Y
中科院分区:
文献类型:
--
作者:
Li W;Boon JK;Zhao Y
We present herein a nickel-catalyzed dicarbofunctionalization of alkenes using readily available organoboronic acids and organic halides in a three-component fashion. Efficient difunctionalization of alkenes allows the rapid construction of molecular complexity from simple building blocks in organic synthesis. We present herein a nickel-catalyzed dicarbofunctionalization of alkenes using readily available organoboronic acids and organic halides in a three-component fashion. In particular, an unprecedented regioselectivity of the 1,3-dicarbofunctionalization of N-allylpyrimidin-2-amine is achieved when aryl and methyl iodides are utilized. In contrast, the use of alkyl bromides with β-hydrogens results in 1,3-hydroarylation or oxidative 1,3-diarylation. Preliminary mechanistic studies suggest an isomerization involving nickel hydride in the 1,3-difunctionalization reactions. On the other hand, the use of alkenyl or alkynyl halides promotes alternative regioselectivities to deliver 1,2-alkenylcarbonation or intriguing 2,1-alkynylcarbonation products. Such 2,1-alkynylarylation is also applicable to N-allylbenzamide as a different class of substrates. Overall, this nickel-catalyzed process proves to be powerful in delivering versatile difunctionalized compounds using readily available reagents/catalysts and a simple procedure.
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影响因子:
3.5
作者:
Del Bello, Fabio;Farande, Aniket;Varrone, Maurizio
通讯作者:
Varrone, Maurizio
影响因子:
15
作者:
Hoshimoto, Yoichi;Ohata, Tomoya;Ogoshi, Sensuke
通讯作者:
Ogoshi, Sensuke
影响因子:
8.4
作者:
Hu, Xile
通讯作者:
Hu, Xile
DOI:
10.1126/science.aaf7230
发表时间:
2017-04-14
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Choi J;Fu GC
通讯作者:
Fu GC
影响因子:
8.4
作者:
Koepfer, Alexander;Sam, Brannon;Krische, Michael J.
通讯作者:
Krische, Michael J.