Stereoselective synthesis of 2-oxazoline-4-carboxylates through Lewis acid-catalyzed formal [3+2] cycloadditions of 5-alkoxyoxazoles with aldehydes: catalytic effect of methylaluminum .beta.-binaphthoxide on cis-selectivity

1993 ◽  
Vol 58 (26) ◽  
pp. 7397-7405 ◽  
Author(s):  
Hiroyuki Suga ◽  
Xiaolan Shi ◽  
Toshikazu Ibata
ChemInform ◽  
2003 ◽  
Vol 34 (14) ◽  
Author(s):  
Ana M. Gomez ◽  
Clara Uriel ◽  
Serafin Valverde ◽  
Slawomir Jarosz ◽  
J. Cristobal Lopez

2014 ◽  
Vol 50 (40) ◽  
pp. 5242-5244 ◽  
Author(s):  
Jacob P. MacDonald ◽  
Benjamin H. Shupe ◽  
John D. Schreiber ◽  
Annaliese K. Franz

A Lewis acid-catalyzed stereoselective [3+2] annulation of crotylsilanes with iminooxindoles is reported to access 2,3′-pyrrolidinyl spirooxindoles with four stereocenters.


Synlett ◽  
2017 ◽  
Vol 28 (12) ◽  
pp. 1486-1490 ◽  
Author(s):  
F. West ◽  
Yen-Ku Wu ◽  
Rongrong Lin

A Lewis acid catalyzed cationic domino reaction involving sequential electrocyclization and polar addition of allenol ethers onto the resulting oxyallyl species is described. The overall sequence allows a highly stereoselective synthesis of densely substituted cyclopentanoid compounds containing α-formylvinyl functionality which is formally equivalent to products of a Morita–Baylis–Hillman alkylation process.


ChemInform ◽  
2004 ◽  
Vol 35 (17) ◽  
Author(s):  
Ana M. Gomez ◽  
Clara Uriel ◽  
Slawomir Jarosz ◽  
Serafin Valverde ◽  
J. Cristobal Lopez

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