scholarly journals A New Approach to the Synthesis of Optically Active Norephedrine, Norpseudoephedrine and Cathinone via Double Asymmetric Induction.

ChemInform ◽  
2004 ◽  
Vol 35 (17) ◽  
Author(s):  
Dong Jun Kim ◽  
Byung Tae Cho
Keyword(s):  
Optically Active ◽  
Asymmetric Induction ◽  
New Approach

New Approach to the Theory of Circular Dichroism

1998 ◽  
Vol 63 (8) ◽  
pp. 1187-1201 ◽  
Author(s):  
Jaroslav Zamastil ◽  
Lubomír Skála ◽  
Petr Pančoška ◽  
Oldřich Bílek
Keyword(s):  
Electromagnetic Wave ◽  
Circular Dichroism ◽  
Electromagnetic Waves ◽  
Maxwell Equations ◽  
Optically Active ◽  
Semiclassical Approach ◽  
New Approach ◽  
Isotropic Media ◽  
New Formula ◽  
Circular Dichroïsm

Using the semiclassical approach for the description of the propagation of the electromagnetic waves in optically active isotropic media we derive a new formula for the circular dichroism parameter. The theory is based on the idea of the time damped electromagnetic wave interacting with the molecules of the sample. In this theory, the Lambert-Beer law need not be taken as an empirical law, however, it follows naturally from the requirement that the electromagnetic wave obeys the Maxwell equations.

Synthesis and Selected Transformation of Optically Active Cyclopentenyl Sulfoxides: New Approach to Optically Active Cyclopentenones.

ChemInform ◽  
2007 ◽  
Vol 38 (27) ◽  
Author(s):  
W. H. Midura ◽  
J. Krysiak ◽  
M. W. Wieczorek ◽  
A. Filipczak
Keyword(s):  
Optically Active ◽  
New Approach

A new approach to the stereoselective synthesis of trans-3-carbamoyl-β-lactam moieties

2017 ◽  
Vol 41 (6) ◽  
pp. 2479-2489 ◽  
Author(s):  
Anna Zakaszewska ◽  
Ewelina Najda-Mocarska ◽  
Sławomir Makowiec
Keyword(s):  
Stereoselective Synthesis ◽  
Optically Active ◽  
Thermal Generation ◽  
New Approach

Optically active 1,4-disubstituted-3-carbamoyl-azetidinones are synthesized from 5-[(N-arylamino)(hydroxyl)methylene]-2,2-dimethyl-1,3-dioxa-4,6-diones and chiral aldimines via thermal generation of carbamoyl ketenes and subsequent [2+2] cycloaddition.

ChemInform Abstract: CATALYTIC ASYMMETRIC INDUCTION IN OXIDATION REACTIONS. THE SYNTHESIS OF OPTICALLY ACTIVE EPOXIDES

1976 ◽  
Vol 7 (35) ◽  
pp. no-no
Author(s):  
R. HELDER ◽  
J. C. HUMMELEN ◽  
R. W. P. M. LAANE ◽  
J. S. WIERING ◽  
H. WYNBERG
Keyword(s):  
Optically Active ◽  
Asymmetric Induction ◽  
Oxidation Reactions ◽  
Catalytic Asymmetric
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