Schering Aktiengesellschaft

Institut Fur Diagnostikforschung Gmbh an Der Freien Universitat Berlin

Paul E Schulze

Rudolf Wiechert

Henry Laurent

Helmut Hofmeister

Klaus Annen

Kunhard Pollow

Walter Elger

Martin Wenzel

Bernhard Manz

Hans J Grill

Hans-Joerg Grill

Cyclopentadienylcarbonyl 99MTC complexes, process for their production

Estrane and androstane derivatives of formula I ##STR1## wherein X is bromine, iodine, triphenyltin or trialkyltin of 1 to 6 carbon atoms per alkyl radical,

Estrane and androstane derivatives, process for producing them and

17.alpha.-bromo-.alpha. and 17.alpha.-iodo-vinyl-estrane derivatives of general formula I ##STR1## wherein X is a bromine or iodine atom in Z or E position,

Estrogenic 17.alpha.-halogen-vinylestranes

A process for preparing bromine- or iodine-unlabeled or radioactively labeled 17.alpha.-bromoethynyl- and 17.alpha.-iodoethynyl-17.beta.-hydroxy steroids of the androstane and estrane series of the partial formula ##STR1## wherein  is a single bond or a double bond,

Process for the preparation of 17.alpha.-bromoethynyl- and

Growing community of inventors

Berlin, Germany

Paul E Schulze