通过使用铜催化的叠氮化物-炔烃环加成反应(CuAAC)设计并合成了一系列基于甲萘醌的新型三唑杂化物。所有合成的杂种均通过其光谱数据(1 H NMR,13 C NMR,IR和HRMS)进行表征。使用MTT评估了合成的化合物对五种选定的癌细胞系的抗癌活性,这些癌细胞系包括肺癌(A549),前列腺癌(DU-145),宫颈癌(Hela),乳腺癌(MCF-7)和小鼠黑素瘤(B-16)分析。筛选结果表明,大多数合成的化合物显示出显着的抗癌活性。在测试的化合物中,三唑5和6对所有细胞系均显示出有效的活性。特别是化合物6对MCF-7细胞系显示出比标准他莫昔芬和母体甲萘醌更高的效力。流式细胞仪分析表明,化合物6在G0 / G1期停滞了细胞周期,并诱导了凋亡细胞的死亡,这通过Hoechst染色,线粒体膜电位(ΔΨm)的测定和Annexin-V-FITC分析得到了进一步证实。因此,化合物6可以被认为是作为有效的抗癌治疗剂而进一步开发的先导分子。
High-throughput synthesis of azide libraries suitable for direct “click” chemistry and in situ screening
作者:Rajavel Srinivasan、Lay Pheng Tan、Hao Wu、Peng-Yu Yang、Karunakaran A. Kalesh、Shao Q. Yao
DOI:10.1039/b902338k
日期:——
building blocks (key components in clickchemistry). We report herein a highly robust and efficient strategy for high-throughput synthesis of a 325-member azide library. The method is highlighted by its simplicity and product purity. The utility of the library is demonstrated with the subsequent “click” synthesis of the corresponding bidentate inhibitors against PTP1B.
A general metal-free route to 1,4-disubstituted and 1,4,5-trisubstituted 1,2,3-triazoles was developed. α-Haloacroleins reacted with organic azides in a DMSO/H2O mixture solvent at room temperature to produce 1,4-disubstituted triazoles (up to 99%) with exclusive regioselectivities. This protocol is convenient and scalable with a broad substrate scope including aliphatic and aromatic azides. The resulting
开发了一种通向1,4-二取代和1,4,5-三取代的1,2,3-三唑的无金属路线。在室温下,α-卤代丙烯醛与有机叠氮化物在DMSO / H 2 O混合溶剂中反应,生成具有区域选择性的1,4-二取代三唑(最高99%)。该协议方便且可扩展,具有广泛的底物范围,包括脂肪族和芳香族叠氮化物。所得三唑在C4位上显示醛基,并证明了其合成用途。还鉴定了一种含有非对映体质子的1,2,3-三唑化合物。
[2]Rotaxane End‐Capping Synthesis by Click Michael‐Type Addition to the Vinyl Sulfonyl Group
作者:Arthur H. G. David、Pablo García‐Cerezo、Araceli G. Campaña、Francisco Santoyo‐González、Victor Blanco
DOI:10.1002/chem.201900156
日期:2019.4.26
addition reaction to vinyl sulfone or vinyl sulfonate groups in the synthesis of rotaxanes through the threading‐and‐capping method. This methodology has proven to be efficient and versatile as it allowed the preparation of rotaxanes using template approaches based on different noncovalent interactions (i.e., donor‐acceptor π–π interactions or hydrogenbonding) in yields of generally 60–80 % and up to 91 %
我们报道了通过穿线加帽法将点击迈克尔型加成反应应用于乙烯基砜或乙烯基磺酸酯基团在轮烷的合成中的应用。该方法已被证明是有效且通用的,因为它允许使用基于不同非共价相互作用(即供体-受体π-π相互作用或氢键)的模板方法制备轮烷,产率通常为60-80%,最高可达91% %受所需的温和条件(室温或0°C以及温和的碱,如Et 3 N或4‐(N,N-二甲基氨基)吡啶(DMAP))。此外,使用乙烯基磺酸盐部分作为偶联和去偶联(CAD)化学的合适基序,意味着另一个优势,因为它允许通过封端产生的磺酸盐的亲核取代,将轮烷的化学分解成可控的组分。在温和的条件下(Cs 2 CO 3和室温)用硫醇进行萃取。
A ‘Click’ Approach to the Synthesis of 3-[2-(1-Alkyltriazol-4-yl)ethyl]indoles
作者:Marino Petrini、Rafik Shaikh
DOI:10.1055/s-0029-1216901
日期:2009.9
corresponding (triazolylethyl)indoles. These derivatives can be regarded as indole-3-propionic acid mimics because of the electronic features of the triazole ring that are closely related to the amido group. The obtained (indolylethyl)triazoles can be further functionalized exploiting an elimination-addition reaction involving the tosyl group. alkynes - cycloadditions - heterocycles - indoles - nucleophilic additions
Revisiting Nucleophilic Substitution Reactions: Microwave-Assisted Synthesis of Azides, Thiocyanates, and Sulfones in an Aqueous Medium
作者:Yuhong Ju、Dalip Kumar、Rajender S. Varma
DOI:10.1021/jo061114h
日期:2006.8.1
practical, rapid, and efficient microwave (MW) promoted synthesis of various azides, thiocyanates, and sulfones is described in an aqueous medium. This general and expeditious MW-enhanced nucleophilicsubstitution approach uses easily accessible starting materials such as halides or tosylates in reaction with alkali azides, thiocyanates, or sulfinates in the absence of any phase-transfer catalyst, and