PROCESS FOR PREPARING A NEW DERIVATIVE OF (20S) 3.alpha.-/(AMINO-ACETYL) AMINO/5.alpha.- PREGNAN-20-O1 AND THE SALTS THEREOF

摘要

ABSTRACT OF DISCLOSURE The invention relates to a process for preparing the (20S) 3.alpha .- [(aminoacetyl) amino] 5a-pregnan-20-ol and its addition salts with organic acids or pharmaceu-tically acceptable mineral that consists essentially of subjecting the funtumidine to the action of an amino acid: , Then to cleave the group R and, where appropriate, salifying the product so obtained. The (20S) 3.alpha .- [(aminoacetyl) amino] 5.alpha.-pregnan-20-ol and its addition salts with organic or inorganic acids in particular stimulate the defenses of the organism in particular potentiating the production of immunoglobulin E.