Alkaloid catalyzed asymmetric synthesis III the addition of mercaptans to 2-cyclohexene-1-one; determination of enantiomeric excess using 13C NMR.

1977 ◽  
Vol 18 (25) ◽  
pp. 2181-2182 ◽  
Author(s):  
R. Helder ◽  
R. Arends ◽  
W. Bolt ◽  
H. Hiemstra ◽  
Hans Wynberg
Keyword(s):  
Asymmetric Synthesis ◽  
13C Nmr ◽  
Enantiomeric Excess

Simultaneous determination of the concentration and enantiomeric excess of amino acids with a coumarin-derived achiral probe

2021 ◽  
Vol 13 (16) ◽  
pp. 1905-1910
Author(s):  
Lamei Yang ◽  
Feng Luo ◽  
Weili Wei
Keyword(s):  
Amino Acids ◽  
Simultaneous Determination ◽  
Enantiomeric Excess ◽  
Chiral Analysis

An achiral easy-to-synthesize coumarin aldehyde probe was designed and synthesized for chiral analysis of amino acids.

Determination of enantiomeric excess for 2,3-dihydroxy-3-phenylpropionate compounds by capillary electrophoresis using hydroxypropyl-β-cyclodextrin as chiral selector

Chirality ◽  
2007 ◽  
Vol 19 (5) ◽  
pp. 380-385 ◽  
Author(s):  
Yan Zhao ◽  
Xing-Bin Yang ◽  
Qiao-Feng Wang ◽  
Peng-Juan Nan ◽  
Ying Jin ◽  
...  
Keyword(s):  
Capillary Electrophoresis ◽  
Enantiomeric Excess ◽  
Chiral Selector

Determination of Molecular Orientational Order in Cold-Stretched Poly(p-phenylene vinylene) Thin Films by DECODER 13C NMR

2002 ◽  
Vol 22 (2-3) ◽  
pp. 275-297 ◽  
Author(s):  
Michelle L. Kropewnicki ◽  
Dieter J. Schaefer ◽  
Manfred Hehn ◽  
Wim Dermaut ◽  
Herman J. Geise ◽  
...  
Keyword(s):  
Thin Films ◽  
13C Nmr ◽  
Orientational Order ◽  
Phenylene Vinylene

Natural abundance 13C-NMR spectroscopy for the quantitative determination of fecal fat

2003 ◽  
Vol 36 (7) ◽  
pp. 505-510 ◽  
Author(s):  
P Kunz ◽  
B Künnecke ◽  
I Kunz ◽  
H Lengsfeld ◽  
M von Kienlin
Keyword(s):  
Nmr Spectroscopy ◽  
Quantitative Determination ◽  
13C Nmr ◽  
13C Nmr Spectroscopy ◽  
Natural Abundance ◽  
Fecal Fat
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