Direct regioselective C-H borylation of [5]helicene

Kaiser R. P.; Ulc J.; Cisarova I.; Necas D.

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Direct regioselective C-H borylation of [5]helicene

机译：直接区域选择性C-H促进[5] Helicene

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Ir-catalyzed borylation of [5] helicene was studied for the first time. The obtained results indicate that borylation proceeded preferentially at the 2-and 3-positions. By using an appropriate catalytic system, 3-borylated [5] helicene can be formed as the major product in a high yield and regioselectivity (up to 89%, 8 : 1 ratio of isomers). The monoborylated [5] helicenes were further utilized in a Suzuki-Miyaura cross-coupling reaction to produce 2-or 3-arylated helicenes in very good isolated yields (80-94%).

机译：第一次研究了[5]甲丙烯的IR催化的硼化。所得结果表明，促进促进型在2和3位。通过使用合适的催化系统，可以以高产率和区域选择性（高达89％，8：1的异构体的比例为主要产物，形成3-硼酸化的[5]甲丙烯。在Suzuki-miyaura交叉偶联反应中进一步使用单核化的[5]直升机，以在非常好的分离的产率（80-94％）中产生2-或3-芳基化的螺旋。

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《RSC Advances》 |2018年第1期|共4页
作者
Kaiser R. P.; Ulc J.; Cisarova I.; Necas D.;
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Charles Univ Prague Dept Organ Chem Fac Sci Albertov 6 Prague 12843 2 Czech Republic;

Charles Univ Prague Dept Organ Chem Fac Sci Albertov 6 Prague 12843 2 Czech Republic;

Charles Univ Prague Dept Inorgan Chem Fac Sci Albertov 6 Prague 12843 2 Czech Republic;

Charles Univ Prague Dept Organ Chem Fac Sci Albertov 6 Prague 12843 2 Czech Republic;

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正文语种 eng
中图分类化学;
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1. Direct regioselective C-H borylation of [5]helicene [J] . Kaiser R. P., Ulc J., Cisarova I., RSC Advances . 2018,第1期

机译：直接区域选择性C-H促进[5] Helicene
2. sp~3 C-H Borylation Catalyzed by Iridium(Ⅲ) Triboryl Complex: Comprehensive Theoretical Study of Reactivity, Regioselectivity, and Prediction of Excellent Ligand [J] . Zhong Rong-Lin, Sakaki Shigeyoshi Journal of the American Chemical Society . 2019,第25期

机译：三硼化铱（Ⅲ）配合物催化sp〜3 C-H硼化反应：反应性，区域选择性和优良配体预测的综合理论研究
3. sp~3 C-H Borylation Catalyzed by Iridium(Ⅲ) Triboryl Complex: Comprehensive Theoretical Study of Reactivity, Regioselectivity, and Prediction of Excellent Ligand [J] . Zhong Rong-Lin, Sakaki Shigeyoshi Journal of the American Chemical Society . 2019,第25期

机译：铱星〜3 C-H促进抗体（Ⅲ）Triboryl复合物：综合理论研究反应性，区域选择性和优异配体预测
4. Regioselective Aromatic C-H Borylation Controlled by Remote Steric Effect [C] . Yutaro Saito, Yasutomo Segawa, Kenichiro Itami 日本化学会春季年会講演予稿集 . 2018

机译：通过远程空间效应控制的区域选择性芳香族C-H促进型
5. New Developments in Base Metal-Catalyzed C-H Borylation [D] . Mazzacano, Thomas J. 2017

机译：贱金属催化的C-H硼化的新进展
6. Outer-Sphere Direction in Iridium C-H Borylation [O] . Philipp C. Roosen, Venkata A. Kallepalli, Buddhadeb Chattopadhyay, -1

机译：外球方向在铱C-H硼化
7. Regioselective C-H Borylation of C (sp2)-H Bond [O] . Hua-Qing Jing, Jon C Antilla, Hong-Liang Li 2019

机译：C（SP2）-H键的区域选择性C-H促进

Direct regioselective C-H borylation of [5]helicene

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