Practical and Scalable Synthesis of Borylated Heterocycles Using Bench-Stable Precursors of Metal-Free Lewis Pair Catalysts
作者:Arumugam Jayaraman、Luis C. Misal Castro、Frédéric-Georges Fontaine
DOI:10.1021/acs.oprd.8b00248
日期:2018.11.16
A practical and scalable metal-free catalytic method for the borylation and borylative dearomatization of heteroarenes has been developed. This synthetic method uses inexpensive and conveniently synthesizable bench-stable precatalysts of the form 1-NHR2-2-BF3-C6H4, commercially and synthetically accessible heteroarenes as substrates, and pinacolborane as the borylation reagent. The preparation of several
已开发出一种实用且可扩展的无杂芳烃的硼化和硼基脱芳香化的无金属催化方法。这种合成方法使用廉价且可方便合成的1-NHR 2 -2-BF 3 -C 6 H 4形式的台式稳定型预催化剂。,市售和合成途径可得到的杂芳烃作为底物,频哪醇硼烷作为硼化试剂。在无溶剂条件下,无需使用Schlenk技术或手套箱即可制备2和50 g规模的数个硼化杂环。使用这种经济高效的绿色方法还可以实现其中一种杂芳烃底物的公斤级硼化,这证明了我们的方法可以在精细化工行业中方便地实施的事实。
Synthesis and Quantitative Structure–Activity Relationship (QSAR) Study of Novel <i>N</i>-Arylsulfonyl-3-acylindole Arylcarbonyl Hydrazone Derivatives as Nematicidal Agents
natural-product-based pesticidal agents, 54 novel N-arylsulfonyl-3-acylindole arylcarbonyl hydrazonederivatives were prepared, and their structures were well characterized by 1H NMR, 13C NMR, HRMS, ESI-MS, and mp. Their nematicidal activity was evaluated against that of the pine wood nematode, Bursaphelenchus xylophilus in vivo. Among all of the derivatives, especially V-12 and V-39 displayed the best
在我们旨在发现和开发基于天然产物的杀虫剂的程序的继续中,制备了54种新颖的N-芳基磺酰基-3-酰基亚芳基芳基羰基hydr衍生物,并通过1 H NMR,13 C NMR对其结构进行了很好的表征, HRMS,ESI-MS和mp。在体内对它们的杀线虫活性针对松木线虫Bursaphelenchus xylophilus进行了评估。在所有衍生物中,尤其是V-12和V-39表现出最有希望的杀线虫活性,LC 50值分别为1.0969和1.2632 mg / L。这建议引入R 1和R 2为了进一步制备这些作为杀线虫剂的化合物,可以考虑将R 3作为吸电子取代基,R 3作为甲基,R 4作为苯基作为具有吸电子取代基的化合物。六个选定的描述符是WHIM描述符(E1m),两个GETAWAY描述符(R1m +和R3m +),负担特征值描述符(BEHm8)和两个边缘邻接索引描述符(EEig05x和EEig13d)。定量
A one-pot “back-to-front” approach for the synthesis of benzene ring substituted indoles using allylboronic acids
作者:Ganesh Karan、Samrat Sahu、Modhu Sudan Maji
DOI:10.1039/d1cc01512e
日期:——
Synthesis of only benzene ring functionalized indoles and poly-substituted carbazoles is reported via a one-pot triple cascade benzannulation protocol. Usage of differently substituted and readily accessible allylboronic acids as a 3-carbon annulating partner enables diverse aliphatic and aromatic substitution patterns, which is still a daunting task. This scalable synthetic protocol tolerates broad
Conversion of Cyclic Ketones to 2,3-Fused Pyrroles and Substituted Indoles
作者:Joshua S. Alford、Jillian E. Spangler、Huw M. L. Davies
DOI:10.1021/ja405043g
日期:2013.8.14
A highly effective synthesis of 2,3-fused pyrroles from cyclicketones has been achieved. The transformation includes a rhodium-catalyzed reaction of 4-alkenyl-1-sulfonyl-1,2,3-triazoles featuring an unusual 4π electrocyclization. The methodology was further extended to the synthesis of indoles using a one-pot reaction starting from 1-ethynylcyclohexenes.
[EN] SMALL MOLECULE INHIBITORS OF MCL-1 AND USES THEREOF<br/>[FR] PETITES MOLÉCULES INHIBITRICES DE MCL-1 ET LEURS UTILISATIONS
申请人:UNIV MICHIGAN REGENTS
公开号:WO2016172218A1
公开(公告)日:2016-10-27
This invention is in the field of medicinal chemistry. In particular, the invention relates to a new class of small-molecules having benzoic acid structure which function as inhibitors of Mcl-1 protein, and their use as therapeutics for the treatment of cancer and other diseases.