Results 51 to 60 of about 1,695,530 (119)

Synthesis of Spiro Compounds Based on Bicyclo[3.3.1]nonane

open access: yes
Organic compounds with bicyclic structure are important because of their stereochemical features and biological activity. The studies of synthesis of spiro compounds bearing bicyclo[3.3.1]nonane framework were based on bicyclo[3.3.1]nonan-2,6-dione and ...
Zilinskas, Albinas   +6 more
core  

Cycloaddition between Electron-Deficient π-Systems, Photochemical and Radical-Induced Reactions:  A Novel, General, and Stereoselective Route to Polyfunctionalized Bridged Bicyclo[2.2.2]octanes, Bicyclo[3.3.0]octanes, Bicyclo[4.2.0]octanes, and Tricyclo[4.3.1.03,7]decanes

open access: yes, 2016
A novel, general, and stereoselective route to functionalized bridged bicyclo[2.2.2]octanes, bicyclo[3.3.0]octanes, bicyclo[4.2.0]octanes, and tricyclo[4.3.1.03,7]decanes has been described.
Shantanu Pal (2413069)   +2 more
core   +1 more source

Microreactors and other technologies for direct fluorination [PDF]

open access: yes, 2002
Quinoline/ 2H-chromen-2-one and derivatives thereof, have been found to undergo electrophilic substitution by elemental fluorine in concentrated sulfuric acid as reaction medium.
Holling, Darren
core  

Síntese de derivados heterocíclicos com potencial atividade antitripanossomatídeos [PDF]

open access: yes, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmácia, Florianópolis, 2014.Os fármacos utilizados nos tratamentos atuais de tripanossomatídeos, Trypanosoma cruzi (doença de ...
Zimmermann, Lara Almida
core  

Organic thionitroso compounds [PDF]

open access: yes, 1989
A series of novel N-substituted phthalimide-2-sulplienamides was prepared. The N-aryl analogues were shown to be efficient precursors to thionitrosoarenes.
Taylor, Paul
core  

Polyfunctionalised pyrimidines and pyrazines from perhalogenated precursors [PDF]

open access: yes, 2008
Chapter 1 introduces the modem pharmaceutical industry in terms of the drug discovery process leading into a discussion of the relevance of heterocyclic compounds with particular focus on the synthesis of multifunctional pyrimidines and pyrazines.
Parks, Emma Louise
core  

Synthesis of Different Heterocyclic Compounds of Pharmaceutical Relevance [PDF]

open access: yes
This thesis describes the synthesis of different cyclic imines and the exploration of their reactivity with cyclopropenones and 1,3-dipoles,as well as an investigation of the chemistry of the products.
Khan, Musharraf Naveed
core   +2 more sources

New class of photochromic heterocyclic compounds

open access: yes, 2000
Base catalyzed condensation of fulgide (7) with compounds containing active methylene groups such as (8a - 8d) has yielded new class of photo chromatic compounds 3-Dicyclopropylmethylene-4-E-[I-(2,5- dimethyl- 3-furyl)ethylidene)- 5-(4 ...
Al-Shihry, Shar S.
core  

Selenium atom transfer enables selective bridged alkene-arylamine cycloaddition. [PDF]

open access: yesNat Commun
Hu J   +10 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy