نتایج جستجو برای: carboxylate and pyridine

تعداد نتایج: 16831862  

2012
Mustafa Sertçelik Nagihan Çaylak Delibaş Sabri Çevik Hacali Necefoğlu Tuncer Hökelek

In the title polymeric compound, [Pb(C(12)H(6)N(2)O(4))](n), the Pb(II) cation, located on a mirror plane, is N,N'-chelated by a 2-2'-bipyridine-5,5'-dicarboxyl-ate (bpdc) anion and is further coordinated by six O atoms from four carboxyl groups of bpdc anions in an irregular N(2)O(6) geometry. The carboxylate groups bridge the Pb(II) cations, forming a three-dimensional polymeric structure. Th...

Journal: :Acta Crystallographica Section E Structure Reports Online 2012

Journal: :Acta Crystallographica Section E Structure Reports Online 2009

Aziz Shahrisa Salar Hemmati

Synthesis of 4-(N,N- dimethylamino)-3-aryl-3-butene-2-one, ethyl-5-aryl-4-oxo-4H-pyran-2-carboxylate, ethyl-5-aryl-4-pyridones-2-carboxylate and 5-aryl-3-cyano-5-methyl-2-pyridones (aryl=3-thienyl, 2-furyl) are described.

Journal: :Structural Chemistry 2021

Abstract The structural and bonding properties of Bi Ac complexes with cyclen-based chelating ligands have been studied using relativistic DFT calculations in conjunction TZ2P all-electron basis sets. Besides the parent cyclen ligand, study has covered its extensions pyridine-type (L py ), carboxylate (DOTA, DOTPA), picolinate (MeDO2PA) phosphonate (DOTMP) pendant arms. effect ring size probed ...

Journal: :European journal of medicinal chemistry 2011
Rui M V Abreu Isabel C F R Ferreira Ricardo C Calhelha Raquel T Lima M Helena Vasconcelos Filomena Adega Raquel Chaves Maria-João R P Queiroz

Hepatocellular carcinoma (HCC) is a highly complex cancer, resistant to commonly used treatments and new therapeutic agents are urgently needed. A total of thirty-two thieno[3,2-b]pyridine derivatives of two series: methyl 3-amino-6-(hetero)arylthieno[3,2-b]pyridine-2-carboxylates (1a-1t) and methyl 3-amino-6-[(hetero)arylethynyl]thieno[3,2-b]pyridine-2-carboxylates (2a-2n), previously prepared...

The copper(II) complex [Cu(pic)2]·2H2O was synthesized with 2-picolinic acid (Hpic) and copper acetate as reactants by room temperature solid-solid reaction. The composition and structure of the complex was characterized by elemental analyses, single crystal X-ray diffraction, X-ray powder diffraction, FT-IR spectroscopy and thermogravimetry-differential scanning calor...

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