Absolute configuration of cis- and trans-2-(o-bromophenyl)cyclohexylamine and related compounds

1976 ◽  
Vol 41 (9) ◽  
pp. 1640-1642 ◽  
Author(s):  
Todd G. Cochran ◽  
Allan. Weber ◽  
Alain C. Huitric ◽  
Arthur. Camerman ◽  
Lyle H. Jensen
Tetrahedron ◽  
2011 ◽  
Vol 67 (2) ◽  
pp. 417-420 ◽  
Author(s):  
Javier Moraga ◽  
Cristina Pinedo ◽  
Rosa Durán-Patrón ◽  
Isidro G. Collado ◽  
Rosario Hernández-Galán

2005 ◽  
Vol 60 (2) ◽  
pp. 183-188 ◽  
Author(s):  
R. P. Maskey ◽  
H. Lessmann ◽  
S. Fotso ◽  
I. Grün-Wollny ◽  
H. Lackner ◽  
...  

From the Streptomyces spp. 815 and GW4184, four new 4-juglon-2-ylbutyric acid derivatives, the juglomycins G - J (3a, 4a, 4c, 5c), have been isolated and characterised. The structures were derived from the 1D and 2D NMR data and mass spectra and confirmed by comparison with structurally related compounds. The absolute configuration was deduced from the CD spectra. The new natural products exhibited weak antibacterial activity similar to juglomycin A (5a).


1965 ◽  
Vol 8 (4) ◽  
pp. 432-439 ◽  
Author(s):  
Jacob Finkelstein ◽  
Elliot Chiang ◽  
John Lee

1998 ◽  
Vol 63 (3) ◽  
pp. 425-433 ◽  
Author(s):  
Michal Hušák ◽  
Bohumil Kratochvíl ◽  
Petr Sedmera ◽  
Vladimír Havlíček ◽  
Hana Votavová ◽  
...  

Four isomers of terguride, a semisynthetic ergot alkaloid derivative, have been prepared by catalytic hydrogenation of (5R,8S)- and (5S,8S)-lisuride [1,1-diethyl-3-(6-methyl-8-ergolenyl)urea]. Relative stereochemistry of the isomers is based on NMR and CD spectra. Absolute configuration of all the series has been confirmed by the X-ray crystal structure determination of (5R,8S,10S)-terguride 2-bromobenzoate [1,1-diethyl-3-(6-methyl-8-isoergolenyl)urea, cis-dihydrolisuride].


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