نتایج جستجو برای: substituted bispyridylamide

تعداد نتایج: 39157  

2017
Geraint H M Davies Zhao-Zhao Zhou Matthieu Jouffroy Gary A Molander

The azaborine motif provides a mimic of aromatic systems through replacement of a C═C bond with a B-N bond. In particular, 2,1-borazaronaphthalenes, accessible through robust methods of synthesis and subsequent functionalization, afford an ideal platform to use for a variety of applications. However, the scope of substructures for this archetype has been limited by the lack of nitrogen-containi...

Journal: :Molecules 2012
Jian Wu Shenghong Kang Qinkun Yuan Lijun Luo Juan Ma Qingcai Shi Song Yang

A series of N-substituted 5-chloro-6-phenylpyridazin-3(2H)-one derivatives were synthesized based on our previous work; all compounds were characterized by spectral data and tested for in vitro insecticidal activity against Plutella xylostella. The results showed that the synthesized pyridazin-3(2H)-one compounds possessed good insecticidal activities, especially the compounds 4b, 4d, and 4h wh...

Journal: :Chemical communications 2011
Jung Hei Choi Tatsuhiko Honda Shu Seki Shunichi Fukuzumi

The X-ray crystal structure of 1-(3-methoxy-carbonyl)-propyl-1-thienyl-[6,6]-methanofullerene (ThCBM) was determined and the electron mobility of the single crystal was measured using a TRMC method to reveal high electron mobility (2 cm(2) V(-1) s(-1)) along the long axis (a-axis) and its remarkable anisotropy (7 times).

Journal: :Organic & biomolecular chemistry 2011
Jeong Wu Yi Jaesung Park Kwang S Kim Byeang Hyean Kim

In this paper, we demonstrated a highly discriminated and reliable molecular switch based on the interaction between the self-duplex of (Py)A-substituted oligodeoxyadenylate and graphene oxide in aqueous solution. This system showed a clear on/off state through the association and dissociation of (Py)A-modified oligodeoxynucleotide with graphene oxide in manipulated pH conditions, high amplitud...

Journal: :Chemical communications 2007
Kazuyuki Maeda Yuji Mito Tetsuya Yanagase Sarah Haraguchi Tsutomu Yamazaki Takeyuki Suzuki

Organosilyl groups were successfully incorporated in AFI and VFI aluminophosphate frameworks using organoalkoxysilanes to modify hydrophobicity and acidity of the molecular sieves.

Journal: :Organic letters 2010
Balaji Purushothaman Sean R Parkin John E Anthony

The synthesis of new silylethyne-substituted hexacene derivatives to investigate their solubility, stability, and pi-stacking is reported. It was found that "butterfly" dimerization, rather than photooxidation, is the dominant decomposition pathway for these molecules and that stability can be enhanced by functionalization to prevent close contact between specific regions of the aromatic core. ...

Journal: :Dalton transactions 2015
Chunlin Lv Junjie Hu Rao Naumaan Nasim Khan Jin Zhang Yongge Wei

A class of monoorganoimido-substituted hexamolybdates containing a pyridine group have been firstly synthesized. Furthermore, a reaction protocol of alkylation based on the resulting pyridine-functionalized hexamolybdates has been developed, with which a type of zwitterionic clusters has been successfully obtained.

Journal: :Dalton transactions 2010
Marta Martínez Belmonte Sander J Wezenberg Robert M Haak Daniele Anselmo Eduardo C Escudero-Adán Jordi Benet-Buchholz Arjan W Kleij

The self-assembly features of a series of (non)symmetrical Zn(salphen) complexes have been studied in detail by X-ray crystallography, NMR and UV-vis techniques. The combined data demonstrate that the stability of these dimeric assemblies and the relative position of each monomeric unit within the dinuclear structure depend on the location and combination of the aromatic ring substituents.

2011
Yiwen Yang Chunxiang Kuang Hui Jin Qing Yang Zhongkui Zhang

An efficient synthesis of 1,3-diaryl-4-halo-1H-pyrazoles was achieved. The synthesis involves the [3 + 2] dipolar cycloaddition of 3-arylsydnones and 2-aryl-1,1-dihalo-1-alkenes. The process proceeds smoothly in moderate to excellent yields. 1,3-Diaryl-4-halo-1H-pyrazoles are found to be important intermediates that can easily be converted into 1,2,5-triaryl-substituted pyrazoles via Pd-catalyz...

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