Efficient Synthesis of 3-(4-Carboxyphenyl)pyridine-2,6-dicarboxylic Acid

Russian Journal of Organic Chemistry - An efficient synthetic approach to 3-(4-carboxyphenyl)pyridine-2,6-dicarboxylic acid has been developed on the basis of “1,2,4-triazine”...     

Single-crystal X-ray diffraction analysis of arylamine-containing 2,2′-bipyridine derivatives

The structures of six 2,2′-bipyridine derivatives containing aromatic amine moieties, namely N-aryl-4-aryl-1-(pyridin-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridine-3-amines, were studied by single-crystal X-ray diffraction. The molecular structures and the effect of the substituents of these compounds on the crystal packing are discussed.

     

3-Cyanoazolo[5,1-c][1,2,4]triazines: synthesis and antiviral activity

Chemistry of Heterocyclic Compounds - A series of azolo[5,1-c][1,2,4]triazines containing a cyano group were prepared as analogs of the drug Triazavirin (riamilovir). Sodium...     

Hydrodynamics with quadratic pressure. 1. General results

A wide class of solutions of Euler equations with quadratic pressure are described. In Lagrangian coordinates, these solutions linearize exactly momentum equations and are characterized by special initial data: the Jacobian matrix of the initial velocity field has constant algebraic invariants. The equations are integrated using the method of separation of the time and Lagrangian coordinates. Time evolution is defined by elliptic functions. The solutions have a poletype singularity at a finite time. A representation for the velocity vortex is given.     

New Aspects of the Chemistry of Formazans

Russian Journal of General Chemistry - Synthesis, structure, properties, and reactivity of verdazyls based on formazans, as well as of metalverdazyl complexes, formazanate BR2-complexes (R = F, H,...     

Antiviral drug Triazavirin,selectively labeled with 2H, 13C,and 15N stable isotopes. Synthesis and properties

Chemistry of Heterocyclic Compounds - Isotope-labeled antiviral drug Triazavirin containing 2H, 13C, and 15N atoms in its structure has been synthesized. 13C2H3I and KS13CN served as donors of 13C...