11.beta.-Halo-9,12-unsubstituted-C.sub.19 -steroids

Details 11.beta.-Halo-9,12-unsubstituted-C.sub.19 -steroids 11.beta.-Halo-9,12-unsubstituted-C.sub.19 -steroids

1971-07-13

1976-01-20

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602395, 26023955C, 2603973, 2603974S, 2603975, C07J 1700

Patent

active

039337995

ABSTRACT:
11.beta.-Halo-9.alpha.,12-unsubstituted-C.sub.19 -steroids having hormonal activity and a process for preparing same by reacting the corresponding 11.alpha.-hydroxy steroid with a compound of the formula ##EQU1## where R.sup.1 and R.sup.2 are alkyl groups having 1-8 carbon atoms or aralkyl or aryl groups or, together with the nitrogen atom to which they are attached, comprise a heterocyclic radical;
R.sup.3 and R.sup.4 are chlorine, bromine or fluorince atoms or a fluorine atom together with a chlorine or bromine atom and R.sup.5 is hydrogen or R.sup.4 and R.sup.5 together represent a carbon-carbon bond;
R.sup.6 is a chlorine, bromine or fluorine atom and
R.sup.7 is a chlorine, bromine or fluorine atom or a trifluoromethyl group, the reaction being effected in the presence of chloride or bromide ions when neither R.sup.3 nor R.sup.4 is chlorine or bromine.

REFERENCES:
patent: 3609171 (1971-09-01), Laurent
patent: 3636011 (1972-01-01), Phillipps et al.
patent: 3665021 (1972-05-01), Elks et al.
patent: 3726864 (1973-04-01), Phillipps et al.
patent: 3767685 (1973-10-01), Van Ulict

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