Results 111 to 120 of about 2,636 (208)

Development of novel routes to pyridines [PDF]

open access: yes
Pyridines occupy a central part in modern day organic chemistry. Recent studies in various fields of chemistry, biology and physics have featured numerous examples and applications of these compounds. The purpose of this study was to produce a library of
Gehre, Alexander
core  

New Polyfluorinated ligands Based on 2,2'-bypyridines and 1,2,4triazines in the Design of Manganese and Copper Metal Complexes [PDF]

open access: yes, 2019
The study was carried out with the financial support of the Russian Foundation for Basic Research in the framework of a research project 18-33 ...
Charushin, V. N.   +5 more
core  

New routes to functionalised pyridines [PDF]

open access: yes, 2005
A novel method of preparing substituted pyridines has been developed. This method uses readily available [3-ketoesters and amidrazone as starting materials.
Altuna-Urquijo, M, Stanforth, Stephen P
core  

The preparation of heterocycles by [2+2+2] cyclization and inverse electron demand Dels-Alder reactions of arynes with 1,2,4-triazines [PDF]

open access: yes, 2017
Transition metal mediated [2 + 2 + 2] cyclizations have been well researched over the past several years. As a well-developed methodology, [2 + 2 + 2] chemistry has been employed as a major pathway to various carbo- and heterocyclic synthetic targets ...
Cai, Cuifang
core  

A CONVENIENT AND GENERAL SYNTHESIS OF THIADIAZOLO [2,3-C] [1,2,4] TRIAZINES [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 1999
Condensation and cyclization of 5-hydroxy- 1,2,4- thiadiazol-2-yl hydrazine 1 with pyruvic acid, phenacyl bromide, propargyl bromide and ally1 bromide afforded compounds 2,5,7 3, 4 ,6 and 8 respectively, Reaction of 1 with epichforohydrine afforded 4 ...
doaj  

Synthesis and crystal structures of 6- and 8-methyl-3-phenyl-benzo[<i>e</i>][1,2,4]triazines. [PDF]

open access: yesActa Crystallogr E Crystallogr Commun
Constantinides CP   +4 more
europepmc   +1 more source

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