Method for selective partial hydrolysis of steroid glycosides of 2-deoxysugar units, which comprises reacting glycol cleaving agents followed by optional reduction and mild hydrolysis, cardiotonic compounds of the formula: ##SPC1## Wherein R and R' each represents a hydrogen atom or hydroxyl group and n' is an integer of 1 or 2, and esters thereof, and pharmaceutical preparations containing the compounds or products of the process of the present invention.
A biologically active agent extracted from female breast cyst fluids displays anti-hypertensive activity in mammals. The agent is also useful in the treatment of congestive heart disease, artial fibrillation and idiopathic edema in mammals.
A biologically active agent extracted from female breast cyst fluids displays anti-hypertensive activity in mammals. The agent is also useful in the treatment of congestive heart disease, atrial fibrillation and idiopathic edema in mammals.
