An efficient synthesis of 2,4,7-trisubstituted pyrimido[1,2-a][1,3,5]triazin-6-ones

2015 ◽  
Vol 39 (6) ◽  
pp. 4796-4804 ◽  
Author(s):  
Nikhil Sachdeva ◽  
Anton V. Dolzhenko ◽  
Seow Joo Lim ◽  
Wee Ling Ong ◽  
Wai Keung Chui

A practical synthesis of 3,4-dihydro pyrimido[1,2-a][1,3,5]triazin-6-ones, experimental and theoretical assessment of their tautomeric preferences and biological activity results are presented.

RSC Advances ◽  
2016 ◽  
Vol 6 (62) ◽  
pp. 56930-56935 ◽  
Author(s):  
Xiantao Ma ◽  
Quan Liu ◽  
Xiaojuan Jia ◽  
Chenliang Su ◽  
Qing Xu

An efficient SNAr reaction of heteroaryl halides and diorganyl dichalcogenides is developed for practical synthesis of the useful unsymmetrical heteroaryl thioethers and chalcogenides.


2011 ◽  
Vol 21 (14) ◽  
pp. 4180-4182 ◽  
Author(s):  
Ryo Tanaka ◽  
Masaru Kato ◽  
Takahiro Suzuki ◽  
Atsuo Nakazaki ◽  
Emi Nozaki ◽  
...  

2002 ◽  
Vol 13 (5) ◽  
pp. 289-297
Author(s):  
TK Venkatachalam ◽  
P Samuel ◽  
IV Kourinov ◽  
FM Uckun

An efficient synthesis of carbamate analogues of the NRTI compound stavudine, has been achieved in five steps starting from commercially available thymidine. The synthesis involves conversion of thymidine into stavudine followed by condensation with carbaimidazole derivative obtained from various aromatic and heterocyclic amines in dimethylformamide solvent. The analogues thus obtained were further purified by crystallization to furnish analytically pure products. Examination of biological activity of these carbamate derivatives of stavudine showed that they inhibited HIV replication only at micro-molar concentrations.


ChemInform ◽  
2011 ◽  
Vol 42 (47) ◽  
pp. no-no
Author(s):  
Ryo Tanaka ◽  
Masaru Kato ◽  
Takahiro Suzuki ◽  
Atsuo Nakazaki ◽  
Emi Nozaki ◽  
...  

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