Enantiomeric separation by MEKC using dodecyl thioglycoside surfactants: Importance of an equatorially oriented hydroxy group at C-2 position in separation of dansylated amino acids

2009 ◽  
Vol 30 (15) ◽  
pp. 2743-2746 ◽  
Author(s):  
Chiharu Tano ◽  
Sang-Hyun Son ◽  
Jun-ichi Furukawa ◽  
Tetsuya Furuike ◽  
Nobuo Sakairi
Keyword(s):  
Amino Acids ◽  
Hydroxy Group ◽  
Enantiomeric Separation ◽  
Dansylated Amino Acids

Coupling of Steroid O-(Carboxymethyl)oxime Derivatives with Amino Alcohols

1996 ◽  
Vol 61 (2) ◽  
pp. 288-297 ◽  
Author(s):  
Vladimír Pouzar ◽  
Ivan Černý
Keyword(s):  
Amino Acids ◽  
Hydroxy Group ◽  
Building Blocks ◽  
Amino Alcohols ◽  
New Approach ◽  
Alternative Synthesis ◽  
Oxime Derivatives ◽  
A Chain ◽  
Derivatives Of

New approach to the preparation of steroids with connecting bridge, based on an O-carboxymethyloxime (CMO) structure, and with terminal hydroxy group, is presented. 17-CMO derivatives of 3β-acetoxy- and 3β-methoxymethoxyandrost-5-en-17-one were condensed with α,ω-amino alcohols to give derivatives with a chain of seven to nine atoms. After THP-protection, these compounds were converted to 3-keto-4-ene derivatives. An alternative synthesis consisted in transformation of 17-CMO derivatives with bonded amino acids by reduction of the terminal carboxyl. The resulting compounds were designed as building blocks for the preparation of bis-haptens for sandwich immunoassays.

Enantiomeric separation of non-protein amino acids by electrokinetic chromatography

2016 ◽  
Vol 1467 ◽  
pp. 409-416 ◽  
Author(s):  
Raquel Pérez-Míguez ◽  
María Luisa Marina ◽  
María Castro-Puyana
Keyword(s):  
Amino Acids ◽  
Enantiomeric Separation ◽  
Electrokinetic Chromatography ◽  
Protein Amino Acids

LC Enantiomeric Separation of Unusual Amino Acids Using Cyclodextrin‐based Stationary Phases

2007 ◽  
Vol 31 (2) ◽  
pp. 219-230 ◽  
Author(s):  
Jeffrey W. Remsburg ◽  
Daniel W. Armstrong ◽  
Antal Péter ◽  
Géza Tóth
Keyword(s):  
Amino Acids ◽  
Stationary Phases ◽  
Enantiomeric Separation ◽  
Unusual Amino Acids
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