Inherently Dissymetric Chromophores. Optical Rotatory Dispersion of α,β-Unsaturated Ketones and Conformational Analysis of Cyclohexenones

1962 ◽  
Vol 84 (5) ◽  
pp. 870-872 ◽  
Author(s):  
Carl. Djerassi ◽  
Ruth. Records ◽  
E. Bunnenberg ◽  
Kurt. Mislow ◽  
Albert. Moscowitz
Keyword(s):  
Conformational Analysis ◽  
Optical Rotatory Dispersion ◽  
Rotatory Dispersion ◽  
Optical Rotatory ◽  
Unsaturated Ketones

Lignans and related phenols. Part IX. Observations on the spectroscopic characterization and conformational analysis of apo-compounds of the arylnaphthalene class

1969 ◽  
Vol 47 (11) ◽  
pp. 2075-2080 ◽  
Author(s):  
D. C. Ayres
Keyword(s):  
Magnetic Resonance ◽  
Conformational Analysis ◽  
Proton Magnetic Resonance ◽  
Spectroscopic Characterization ◽  
Optical Rotatory Dispersion ◽  
Rotatory Dispersion ◽  
Optical Rotatory

The need for further spectroscopic characterization of apo-compounds of type 1 is discussed and details of proton magnetic resonance (p.m.r.) and optical rotatory dispersion (o.r.d.) spectra are given. Analysis of these spectra is relevant to the assignment of structure to the recently isolated thomasic acid and also reveals unusual conformational features in compounds of this group.

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