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Efficienttotalsynthesesofnaturalpteringlycosides:limipterinandtepidopterin OrganicChemistryfields

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Chemistry

Organic Chemistry fields

Okayama University Year 2008

Efficient total syntheses of natural pterin glycosides: limipterin and tepidopterin

Tadashi Hanaya Hiroki Baba Hiroki Toyota Hiroshi Yamamoto∗∗

Department of Chemistry, Faculty of Science, Okayama University, [email protected] u.ac.jp

Department of Chemistry, Faculty of Science, Okayama University

Department of Chemistry, Faculty of Science, Okayama University

∗∗School of Pharmacy, Shujitsu University

This paper is posted at eScholarship@OUDIR : Okayama University Digital Information Repository.

http://escholarship.lib.okayama-u.ac.jp/organic chemistry/8

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









    

 

 

        

β       









              

             

         

α       

      

β       

          

               



 



            

              

        

β  





  

(3)

             

  



               





            

             

  









              

              

             



  

  

         

            

          

       



















  































(4)



α

        

           

         



              

             

  

  



              

 

 

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









 



























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





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





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



(5)



          





             





                 







              

           

             

    



           

  

             



           

α       







































































 



















































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























 

(6)

            



              





  

  

               





             

                 



  δ

 δ       δ  δ   

  

        δ

δδδ  

δδ

δ



          

















 













































































































(7)

            

            

          

β    

            

β         

  





  

 





             

                



                

























 





















































































(8)

             

     

             

            











             

          



    

  

  

δ

δ  



 αααα   



  

              





δ

                







δ







参照

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*Faculty of Health and Welfare Science, Okayama Prefectural University, 111 Kuboki,Soja,Okayama, Japan **Graduate of Health and Welfare Science, Okayama Prefectural

* Department of Systems Engineering for Sports, Faculty of Computer Science and Systems Engineering, Okayama Prefectural University, 111 Kuboki, Soja-shi, Okayama, 719-1197,

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