A One-Step Ring Transformation/Ring Annulation Approach to Pyrrolo[2,3-d]pyrimidines. A New Synthesis of the Potent Dihydrofolate Reductase Inhibitor TNP-351

1995 ◽  
Vol 60 (21) ◽  
pp. 6684-6687 ◽  
Author(s):  
Edward C. Taylor ◽  
Hemantkumar H. Patel ◽  
Jong-Gab Jun
PLoS ONE ◽  
2012 ◽  
Vol 7 (6) ◽  
pp. e39961 ◽  
Author(s):  
Anuradha Kumar ◽  
Meng Zhang ◽  
Linyun Zhu ◽  
Reiling P. Liao ◽  
Charles Mutai ◽  
...  

1994 ◽  
Vol 5 (5) ◽  
pp. 283-289
Author(s):  
C. Cremonesi ◽  
C. Scarpini ◽  
R. Bianchi ◽  
A. Radaelli ◽  
M. Gimelli ◽  
...  

We evaluated the in vitro and in vivo antiviral activity of the deoxyribonucleoside analogue 5-iodo-2′-deoxycytidine (IDC) combined with the dihydrofolate reductase inhibitor methotrexate (MTX) on herpes simplex virus types 1 and 2 (HSV-1, HSV-2). The IDC-MTX combination synergistically inhibited HSV-1 and HSV-2 replication in vitro at concentrations that did not reduce cellular viability and was very effective in reducing the severity of cutaneous lesions in the experimental guinea pig model in vivo. The antiviral activity of the IDC-MTX combination in guinea pigs was also compared with that of acyclovir and was demonstrated to be higher.


Author(s):  
Sophie P. Sasso ◽  
Robert M. Gilli ◽  
Jean Claude Sari ◽  
Odile S. Rimet ◽  
Claudette M. Briand

1975 ◽  
Vol 53 (2) ◽  
pp. 201-208 ◽  
Author(s):  
Alain Bélanger ◽  
Paul Brassard

A simple one-step synthesis of α-pyrones and 3-chloro-α-pyrones from β-functionalized α, β-enones and ketene acetals has been devised. The method has also been adapted to the preparation of some 4-methoxy-α-pyrones. Finally the mechanism of the reaction has been investigated.


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