2,4-Bis(arylethynyl)-9-chloro-5,6,7,8-tetrahydroacridines: synthesis and photophysical properties [0.03%]
2,4-二芳基乙炔基-9-氯-5,6,7,8-四氢吖啶的合成及光物理性质研究
Najeh Tka,Mohamed Adnene Hadj Ayed,Mourad Ben Braiek et al.
Najeh Tka et al.
Acridine derivatives have attracted considerable interest in numerous areas owing to their attractive physical and chemical properties. Herein, starting from readily available anthranilic acid, an efficient synthesis of 2,4-bis(arylethynyl)...
A recent overview on the synthesis of 1,4,5-trisubstituted 1,2,3-triazoles [0.03%]
1,4,5-三取代的1,2,3-三唑的合成进展概述
Pezhman Shiri,Ali Mohammad Amani,Thomas Mayer-Gall
Pezhman Shiri
Diverse strategies for the efficient and attractive synthesis of a wide variety of relevant 1,4,5-trisubstituted 1,2,3-triazole molecules are reported. The synthesis of this category of diverse fully functionalized 1,2,3-triazoles has becom...
Copper-mediated oxidative C-H/N-H activations with alkynes by removable hydrazides [0.03%]
可离去肼类导向的铜催化氧化偶联反应
Feng Xiong,Bo Li,Chenrui Yang et al.
Feng Xiong et al.
The efficient copper-mediated oxidative C-H alkynylation of benzhydrazides was accomplished with terminal alkynes. Thus, a heteroaromatic removable N-2-pyridylhydrazide allowed for domino C-H/N-H functionalization. The approach featured rem...
Methodologies for the synthesis of quaternary carbon centers via hydroalkylation of unactivated olefins: twenty years of advances [0.03%]
未活化烯烃的氢烷基化反应合成四级碳中心的方法学研究：二十年来的进展
Thiago S Silva,Fernando Coelho
Thiago S Silva
Olefin double-bond functionalization has been established as an excellent strategy for the construction of elaborate molecules. In particular, the hydroalkylation of olefins represents a straightforward strategy for the synthesis of new C(s...
Recent advances in the application of isoindigo derivatives in materials chemistry [0.03%]
异吲哚衍生物在材料化学中的最新应用进展
Andrei V Bogdanov,Vladimir F Mironov
Andrei V Bogdanov
In this review, the data on the application of isoindigo derivatives in the chemistry of functional materials are analyzed and summarized. These bisheterocycles can be used in the creation of organic solar cells, sensors, lithium ion batter...
Chemical synthesis of C6-tetrazole ᴅ-mannose building blocks and access to a bioisostere of mannuronic acid 1-phosphate [0.03%]
C6-四氮唑-D-岩藻糖化学砌块的合成及获取岩藻酸盐-1-磷酸生物电子等排体
Eleni Dimitriou,Gavin J Miller
Eleni Dimitriou
Alginate is a biocompatible and industrially relevant polysaccharide that derives many of its important properties from the charged carboxylate groups within its polyuronic acid backbone. The design and inclusion of isosteric replacements f...
Breaking paracyclophane: the unexpected formation of non-symmetric disubstituted nitro[2.2]metaparacyclophanes [0.03%]
破环状并四苯：不对称二硝基[2.2]间环并四苯的意外形成
Suraj Patel,Tyson N Dais,Paul G Plieger et al.
Suraj Patel et al.
Substituted [2.2]metaparacyclophanes are amongst the least studied of the simple cyclophanes. This is undoubtedly the result of the lengthy syntheses of these compounds. We report the simple synthesis of a rare example of a non-symmetric [2...
A straightforward conversion of 1,4-quinones into polycyclic pyrazoles via [3 + 2]-cycloaddition with fluorinated nitrile imines [0.03%]
通过含氟腈亚胺的[3+2]环加成将1,4-苯醌转化为多环吡唑的一种简便方法
Greta Utecht-Jarzyńska,Karolina Nagła,Grzegorz Mlostoń et al.
Greta Utecht-Jarzyńska et al.
In-situ-generated N-aryl nitrile imines derived from trifluoroacetonitrile efficiently react with polycyclic 1,4-quinones, yielding fused pyrazole derivatives as the exclusive products. The reactions proceed via the initially formed [3 + 2]...
Pascal Lentes,Jeremy Rudtke,Thomas Griebenow et al.
Pascal Lentes et al.
Novel nitrogen-bridged diazocines (triazocines) were synthesized that carry a formyl or an acetyl group at the CH2NR-bridge and bromo- or iodo-substituents at the distant phenyl ring. The photophysical properties were investigated in aceton...
One-step synthesis of imidazoles from Asmic (anisylsulfanylmethyl isocyanide) [0.03%]
由Asmic（桂皮基硫亚甲异氰化物）一步合成咪唑类化合物
Louis G Mueller,Allen Chao,Embarek AlWedi et al.
Louis G Mueller et al.
Substituted imidazoles are readily prepared by condensing the versatile isocyanide Asmic, anisylsulfanylmethylisocyanide, with nitrogenous π-electrophiles. Deprotonating Asmic with lithium hexamethyldisilazide effectively generates a poten...