W. Halfbrodt

Synthesis and Biological Activity of 11,19-Bridged Progestins 1 1 This paper is dedicated to Prof. R. Wiechert on the occasion of his 70th birthday.

E. Ottow, K. Fritzemeier, P. Muhn, 1998, Steroids.

Synthesis of (±)-Chokol A by a Tandem Michael-Addition/Dieckmann Cyclization

U. Groth, Thomas Köhler, W. Halfbrodt, 1994 .

Asymmetric Synthesis via Heterocyclic Intermediates, XLVII. Asymmetric Synthesis of (+)-(1R,2S)-allo-Coronamic Acid

U. Groth, W. Halfbrodt, U. Schöllkopf, 1992 .

7α,15α-Ethano bridged steroids. Synthesis and progesterone receptor interaction

N. Heinrich, U. Egner, A. Müller-Fahrnow, 1999 .

7α,15α‐Ethano Bridged Steroids. Synthesis and Progesterone Receptor Interaction.

N. Heinrich, U. Egner, J. Kuhnke, 2000 .