Bond fixation in annulenes. 8. Assessment of the ring inversion and bond shifting barriers in 1,2,3-trimethylcyclooctatetraene. Resolution, absolute configuration, and circular dichroic behavior of an [8]annulene hydrocarbon

1980 ◽  
Vol 102 (15) ◽  
pp. 5016-5025 ◽  
Author(s):  
Leo A. Paquette ◽  
John M. Gardlik
1999 ◽  
Vol 23 (7) ◽  
pp. 450-451
Author(s):  
Hendrik van Rensburg ◽  
Petrus J. Steynberg ◽  
Johann F. W. Burger ◽  
Pieter S. van Heerden ◽  
Daneel Ferreira

CD data of all four diastereoisomers of the permethylaryl ether 3- O-acetyl derivatives of a series of flavan-3-ols permit assignment of the absolute configuration at the stereocentres of the heterocyclic ring.


Tetrahedron ◽  
1990 ◽  
Vol 46 (12) ◽  
pp. 4429-4442 ◽  
Author(s):  
Jan A.N. Augustys ◽  
Babend C.B. Bezuidenhoudt ◽  
Annelie Swanepoel ◽  
Daneel Ferreira

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