Stereoselective Synthesis of the Monomeric Unit of SCH 351448

2006 ◽  
Vol 2006 (12) ◽  
pp. 2777-2785 ◽  
Author(s):  
J. René Backes ◽  
Ulrich Koert
2005 ◽  
Vol 70 (16) ◽  
pp. 6321-6329 ◽  
Author(s):  
Eun Joo Kang ◽  
Eun Jin Cho ◽  
Mi Kyung Ji ◽  
Young Eun Lee ◽  
Dong Mok Shin ◽  
...  

Synthesis ◽  
2020 ◽  
Author(s):  
Kei Kitamura ◽  
Hinano Kanagawa ◽  
Chiharu Ozakai ◽  
Taichi Nishimura ◽  
Hayato Tokuda ◽  
...  

A stereoselective synthesis of a pyranonaphthoquinone derivative found in aromatic polyketide-derived aphid pigments is reported herein. This approach features the anionic [4+2]-annulation of phthalides with a carbohydrate-derived optically active enone. Additional synthetic steps provide access to the monomer fragment of uroleuconaphins and viridaphins. The optimizations for a facile preparation of phthalides bearing sulfonyl or cyano groups are also studied.


2012 ◽  
Vol 14 (11) ◽  
pp. 2858-2861 ◽  
Author(s):  
Kiran Kumar Pulukuri ◽  
Tushar Kanti Chakraborty

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