Book Review: The Cyanine Dyes and Related Compounds. By Frances M. Hamer. Vol. 18 on The Chemistry of Heterocyclic Compounds, a Series of Monographs edited by A. Weissberger

1965 ◽  
Vol 4 (5) ◽  
pp. 453-453
Author(s):  
O. Riester
Keyword(s):  
Heterocyclic Compounds ◽  
Cyanine Dyes ◽  
Related Compounds

Synthesis of biologically active heterocyclic compounds from allenic and acetylenic nitriles and related compounds

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Marthe Carine Djuidje Fotsing ◽  
Dieudonné Njamen ◽  
Zacharias Tanee Fomum ◽  
Derek Tantoh Ndinteh
Keyword(s):  
Michael Addition ◽  
Heterocyclic Compounds ◽  
Biological Activities ◽  
Biologically Active ◽  
Polycyclic Compounds ◽  
One Step ◽  
Pharmaceutical Properties ◽  
Related Compounds ◽  
Acetylenic Acids ◽  
The Michael Addition

Abstract Cyclic and polycyclic compounds containing moieties such as imidazole, pyrazole, isoxazole, thiazoline, oxazine, indole, benzothiazole and benzoxazole benzimidazole are prized molecules because of the various pharmaceutical properties that they display. This led Prof. Landor and co-workers to engage in the synthesis of several of them such as alkylimidazolenes, oxazolines, thiazolines, pyrimidopyrimidines, pyridylpyrazoles, benzoxazines, quinolines, pyrimidobenzimidazoles and pyrimidobenzothiazolones. This review covers the synthesis of biologically active heterocyclic compounds by the Michael addition and the double Michael addition of various amines and diamines on allenic nitriles, acetylenic nitriles, hydroxyacetylenic nitriles, acetylenic acids and acetylenic aldehydes. The heterocycles were obtained in one step reaction and in most cases, did not give side products. A brief discussion on the biological activities of some heterocycles is also provided.

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