ChemInform Abstract: Stereoselective Synthesis of β-Oxygenated α- Hydroxyphosphonates by Lewis Acid-Mediated Stereoselective Hydrophosphonylation of α-Benzyloxy Aldehydes. An Application to the Synthesis of Phosphonic Acid Analogues of Oxyamino Acids.

ChemInform ◽  
2010 ◽  
Vol 26 (26) ◽  
pp. no-no
Author(s):  
T. YOKOMATSU ◽  
Y. YOSHIDA ◽  
S. SHIBUYA
Keyword(s):  
Lewis Acid ◽  
Phosphonic Acid ◽  
Stereoselective Synthesis

Stereoselective Synthesis of C-Ketosides by Lewis Acid Catalyzed C-Glycosylation of Alkynyl-Ketoses.

ChemInform ◽  
2003 ◽  
Vol 34 (14) ◽  
Author(s):  
Ana M. Gomez ◽  
Clara Uriel ◽  
Serafin Valverde ◽  
Slawomir Jarosz ◽  
J. Cristobal Lopez
Keyword(s):  
Lewis Acid ◽  
Stereoselective Synthesis ◽  
Acid Catalyzed

Counterion effects in the catalytic stereoselective synthesis of 2,3′-pyrrolidinyl spirooxindoles

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

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

Intercepting the Nazarov Oxyallyl Intermediate with α-Formyl­vinyl Anion Equivalents to Access Formal Morita–Baylis–Hillman Alkylation Products

Synlett ◽  
2017 ◽  
Vol 28 (12) ◽  
pp. 1486-1490 ◽  
Author(s):  
F. West ◽  
Yen-Ku Wu ◽  
Rongrong Lin
Keyword(s):  
Lewis Acid ◽  
Stereoselective Synthesis ◽  
Domino Reaction ◽  
Alkylation Process ◽  
Acid Catalyzed

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.

scholarly journals An N-Heterocyclic Carbene/Lewis Acid Strategy for the Stereoselective Synthesis of Spirooxindole Lactones

2012 ◽  
Vol 124 (20) ◽  
pp. 5047-5051 ◽  
Author(s):  
Julien Dugal-Tessier ◽  
Elizabeth A. O'Bryan ◽  
Thomas B. H. Schroeder ◽  
Daniel T. Cohen ◽  
Karl A. Scheidt
Keyword(s):  
Lewis Acid ◽  
Stereoselective Synthesis
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