scholarly journals Asymmetric synthesis of the C1–C6 portion of the psymberin using an Evans chiral auxiliary

2013 ◽  
Vol 54 (41) ◽  
pp. 5555-5557 ◽  
Author(s):  
Ashutosh Pal ◽  
Zhenghong Peng ◽  
Paul T. Schuber ◽  
Basvoju A. Bhanu Prasad ◽  
William G. Bornmann
Keyword(s):  
Asymmetric Synthesis ◽  
Chiral Auxiliary

Indium Bromide-catalyzed Unprecedented Hydrogenolysis: A Novel One-Pot Synthesis of Per-O-Acetylated β-carboxymethyl O and S-glycosides

2020 ◽  
Vol 24 (8) ◽  
pp. 900-908
Author(s):  
Ram Naresh Yadav ◽  
Amrendra K Singh ◽  
Bimal Banik
Keyword(s):  
Asymmetric Synthesis ◽  
Chiral Auxiliary ◽  
Bioactive Molecules ◽  
One Pot ◽  
Enantiomerically Pure ◽  
Stereoselective Glycosylation ◽  
One Pot Synthesis ◽  
Wide Range

Numerous O (oxa)- and S (thia)-glycosyl esters and their analogous glycosyl acids have been accomplished through stereoselective glycosylation of various peracetylated bromo sugar with benzyl glycolate using InBr3 as a glycosyl promotor followed by in situ hydrogenolysis of resulting glycosyl ester. A tandem glycosylating and hydrogenolytic activity of InBr3 has been successfully investigated in a one-pot procedure. The resulting synthetically valuable and virtually unexplored class of β-CMGL (glycosyl acids) could serve as an excellent potential chiral auxiliary in the asymmetric synthesis of a wide range of enantiomerically pure medicinally prevalent β-lactams and other bioactive molecules of diverse medicinal interest.

Asymmetric Synthesis of Iridoid Derivatives Using Resolved 2-Phenylindoline as a Chiral Auxiliary

2008 ◽  
Vol 2008 (35) ◽  
pp. 5915-5921 ◽  
Author(s):  
Ellen M. Santangelo ◽  
Ilme Liblikas ◽  
Anoma Mudalige ◽  
Karl W. Törnroos ◽  
Per-Ola Norrby ◽  
...  
Keyword(s):  
Asymmetric Synthesis ◽  
Chiral Auxiliary

Use of Pseudoephedrine as a Practical Chiral Auxiliary for Asymmetric Synthesis

1994 ◽  
Vol 116 (20) ◽  
pp. 9361-9362 ◽  
Author(s):  
Andrew G. Myers ◽  
Bryant H. Yang ◽  
Hou Chen ◽  
James L. Gleason
Keyword(s):  
Asymmetric Synthesis ◽  
Chiral Auxiliary

ChemInform Abstract: Asymmetric Synthesis of Homochiral β-Lactones via the Iron Chiral Auxiliary ((η5-C5H5)Fe(CO)(PPh3)).

ChemInform ◽  
2010 ◽  
Vol 23 (20) ◽  
pp. no-no
Author(s):  
S. C. CASE-GREEN ◽  
S. G. DAVIES ◽  
C. J. R. HEDGECOCK
Keyword(s):  
Asymmetric Synthesis ◽  
Chiral Auxiliary
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