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Chemical Record (New York, N.Y.)|November 10, 2005
Rh2[MTPA]4, a dirhodium complex as NMR auxiliary for chiral recognitionHelmut DuddeckMagnetic Resonance in Chemistry : MRC|December 22, 2007
Origin of 13C complexation shifts in the adduct formation of 2-butyl phenyl ethers with a dirhodium tetracarboxylate complexEdison Díaz Gómez, Helmut DuddeckChirality|July 26, 2008
Chiral recognition of ethers by NMR spectroscopyHelmut Duddeck, Edison Díaz GómezMagnetic Resonance in Chemistry : MRC|December 17, 2008
A new method proposed for the determination of absolute configurations of alpha-amino acidsEdison Díaz Gómez, Helmut DuddeckJournal of Natural Products|September 8, 2007
Benzaldehyde derivatives from Sarcodontia croceaTetsuo Kokubun, Zbigniew Rozwadowski, Helmut DuddeckFitoterapia|September 18, 2002
Isolation and structural elucidation of 3,4',5,7-tetraacetyl quercetin from Adina cordifolia (Karam ki Gaach)Meneni S Rao, Helmut Duddeck, Roman DembinskiMagnetic Resonance in Chemistry : MRC|January 16, 2007
Saturated amine oxides: Part 8. Hydroacridines: Part 27. Effects of N-oxidation and of N-quaternization on the 15N NMR chemical shifts of N-methylpiperidine-derived mono-, bi-, and tricycloaliphatic tertiary aminesFrancisc Potmischil, Helmut Duddeck, Alina Nicolescu, et al.Zeitschrift Fur Naturforschung. C, Journal of Biosciences|October 28, 2003
Bioactive phenolics from Carthamus lanatus LRilka Taskova, Maya Mitova, Bozhanka Mikhova, et al.Magnetic Resonance in Chemistry : MRC|January 13, 2010
Experimental verification of diverging mechanisms in the binding of ether, thioether, and sulfone ligands to a dirhodium tetracarboxylateJens T Mattiza, Vera J Meyer, Helmut DuddeckChirality|May 2, 2002
First direct discrimination of chiral phosphine selenide (P=Se) derivatives by multinuclear magnetic resonance spectroscopy in the presence of a chiral dirhodium complexShahid Malik, Helmut Duddeck, Jan Omelanczuk, et al.Pageof 4