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.
复制标题

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
复制
发表时间:
2018-01-21
期刊:
影响因子:
8.4
通讯作者:
Zhao Y
Zhao Y
中科院分区:
化学1区
文献类型:
--
作者:
Li W;Boon JK;Zhao Y

文献摘要

参考文献

被引文献

相似文献

本文中,我们提出了一种镍催化的二碳官能化的烯烃使用容易获得的有机硼酸和有机卤化物在三组分的方式。在有机合成中,烯烃的有效双官能化可以从简单的结构单元快速构建复杂的分子。本文中,我们提出了一种镍催化的二碳官能化的烯烃使用容易获得的有机硼酸和有机卤化物在三组分的方式。特别地,当使用芳基和甲基碘时,实现了N-烯丙基嘧啶-2-胺的1,3-二碳官能化的前所未有的区域选择性。相比之下,使用具有β-氢的烷基溴导致1,3-氢化芳基化或氧化1,3-二芳基化。初步的机理研究表明,异构化涉及氢化镍的1,3-双官能化反应。另一方面,烯基或炔基卤化物的使用促进了替代的区域选择性以提供1,2-烯基碳酸化或有趣的2,1-炔基碳酸化产物。这种2,1-炔基芳基化也适用于作为不同种类底物的N-烯丙基苯甲酰胺。总的来说,这种镍催化的方法被证明是强大的,在提供通用的双官能化的化合物使用容易获得的试剂/催化剂和一个简单的程序。
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.
DOI: 10.1016/j.bmc.2015.07.015
发表时间: 2015-09-01
影响因子: 3.5
作者:
Del Bello, Fabio;Farande, Aniket;Varrone, Maurizio
通讯作者: Varrone, Maurizio
DOI: 10.1021/ja509171a
发表时间: 2014-11-12
影响因子: 15
作者:
Hoshimoto, Yoichi;Ohata, Tomoya;Ogoshi, Sensuke
通讯作者: Ogoshi, Sensuke
DOI: 10.1039/c1sc00368b
发表时间: 2011-01-01
期刊: CHEMICAL SCIENCE
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
DOI: 10.1039/c3sc22051f
发表时间: 2013-01-01
期刊: CHEMICAL SCIENCE
影响因子: 8.4
作者:
Koepfer, Alexander;Sam, Brannon;Krische, Michael J.
通讯作者: Krische, Michael J.