Efficient Synthesis of Purines and Purine Nucleosides via an Inverse Electron Demand Diels−Alder Reaction

1999 ◽  
Vol 121 (24) ◽  
pp. 5833-5834 ◽  
Author(s):  
Qun Dang ◽  
Yan Liu ◽  
Mark D. Erion
Author(s):  
Nai-Kai Li ◽  
Bing-Bing Sun ◽  
Jun-Bo Chen ◽  
Hao-Di Yang ◽  
Bai-Lin Wang ◽  
...  

A chiral Box/Cu catalyzed asymmetric IEDDA reaction between isatin-derived β,γ-unsaturated α-ketoesters and electron-rich olefins was developed, which provided chiral spiro oxindole-pyrans in excellent yields with excellent stereoselectivities.


2010 ◽  
Vol 122 (22) ◽  
pp. 3887-3890 ◽  
Author(s):  
Mingsheng Xie ◽  
Xiaohong Chen ◽  
Yin Zhu ◽  
Bo Gao ◽  
Lili Lin ◽  
...  

2002 ◽  
Vol 43 (19) ◽  
pp. 3551-3554 ◽  
Author(s):  
Estibaliz R. Bilbao ◽  
Mario Alvarado ◽  
Christian F. Masaguer ◽  
Enrique Raviña

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