Helmut Haning

The phosphodiesterase inhibitory selectivity and the in vitro and in vivo potency of the new PDE5 inhibitor vardenafil

I Sáenz de Tejada, Javier Angulo, Pedro Cuevas et al. · International Journal of Impotence Research · 2001 · 231 citations

Phosphodiesterase Inhibitory Selectivity, Biochemistry, Medicine +7

Imidazo[5,1-f][1,2,4]triazin-4(3H)-ones, a new class of potent PDE 5 inhibitors

Helmut Haning, Ulrich Niewöhner, Thomas Schenke et al. · Bioorganic & Medicinal Chemistry Letters · 2002 · 75 citations · Full text

Freezing the Bioactive Conformation to Boost Potency: The Identification of BAY 85‐8501, a Selective and Potent Inhibitor of Human Neutrophil Elastase for Pulmonary Diseases

Franz von Nussbaum, Volkhart M.‐J. Li, Swen Allerheiligen et al. · ChemMedChem · 2015 · 66 citations · Full text

THE ORAL EFFICACY OF VARDENAFIL HYDROCHLORIDE FOR INDUCING PENILE ERECTION IN A CONSCIOUS RABBIT MODEL

Erwin Bischoff, U. NIEWOEHNER, Helmut Haning et al. · The Journal of Urology · 2001 · 49 citations

Ligand effects in selective carbonyl addition reactions of organomanganese and cerium reagents

Manfred T. Reetz, Helmut Haning, Stephan Stanchev · Tetrahedron Letters · 1992 · 44 citations

Ligand Effects, Organic Chemistry, Organometallic Catalysis +5