Abstract: Novel 2,2-dimethyl steroids of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, --OH and ##STR2## R.sub.1 is selected from the group consisting of hydrogen and hydrocarbon of 1 to 17 carbon atoms Z is selected from the group consisting of hydrogen and ##STR3## in the .alpha.-position, R.sub.2 is alkyl of 1 to 4 carbon atoms and the dotted line in the B ring indicates the optional presence of a double bond in the 6(7) position having antialdosterone activity and increasing sodium diuresis while conserving organic potassium.

Abstract: Novel 5-thiazole alkanols of the formula ##STR1## wherein R is alkyl of 1 to 5 carbon atoms, n is an integer from 2 to 7 and R.sub.1 is selected from the group consisting of hydrogen and acyl of an alkanoic acid of 2 to 6 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having a marked antilipolytic activity and useful as intermediates and their preparation.

Abstract: Novel thiazole derivatives of the formula ##STR1## wherein R is alkyl of 1 to 5 carbon atoms, Z is selected from the group consisting of --CH.dbd.CH--, --CH.dbd.CH--CH.dbd.CH-- and (CH.sub.2).sub.n --, n is an integer from 1 to 6 and R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, --NH.sub.4 and alkali metal, alkaline earth metal and aluminum cations and the non-toxic, pharmaceutically acceptable acid addition salts thereof which have antilipolytic activity and are useful intermediates and their preparation and intermediates produced therein.

Abstract: Novel substituted thiazoles of the formula ##STR1## wherein R is alkyl of 1 to 5 carbon atoms and R.sub.1 is selected from the group consisting of --NH.sub.2, -- NH-AlK, ##STR2## PHENYLAMINO AND DIPHENYLAMINO, AlK is alkyl of 1 to 4 carbon atoms and n is an integer from 1 to 6 and their non-toxic, pharmaceutically acceptable acid addition salts having a marked antilipolytic activity and for some of them, a prolonged vasodilatatory activity and an antibradykinetic activity and their preparation.

Abstract: Novel 6,11-dihydrodibenzo(b,e)thiepines of the formula ##SPC1##Wherein A is selected from the group consisting of hydrogen and acyl of an alkanoic acid of 2 to 19 carbon atoms in the form of their optically active isomers or racemic mixtures thereof and their non-toxic, pharmaceutically acceptable acid addition salts having remarkable anticholinergic properties.

Abstract: Novel (17.alpha.)-steroids derivatives optical active isomers or mixtures thereof of the formula ##SPC1##Wherein R is selected from the group consisting of hydrogen and methyl, R.sub.1 is alkyl of 1 to 4 carbon atoms, Z is selected from the group consisting of hydrogen and ##EQU1## of .alpha.-configuration; R.sub.2 is alkyl of 1 to 4 carbon atoms, the dotted lines in the A and B rings represent optional 1 or 2 double bonds in the 1(2) position when R is methyl and in the 6(7) position when Z is hydrogen and X and Y together form the group ##EQU2## and when X is OH, Y is ##EQU3## and M is selected from the group consisting of hydrogen, --NH.sub.4 and alkali metals which have antialdosteronic activity and their preparation.