[EN] 1 ALPHA -HYDROXY-25-KETO-27-NOR-CHOLECALCIFEROL AND PROCESSES FOR PREPARING SAME
申请人:——
公开号:WO1980002502A1
公开(公告)日:1980-11-27
(EN) New vitamin D derivatives as well as new intermediate compounds derived during the processes for preparing such new derivatives. The new derivatives have been identified as 1(Alpha)-hydroxy-25-keto-27-nor-vitamin D3 and its acylates. 1(Alpha)-hydroxy-25-keto-27-nor-vitamin D3 expresses excellent vitamin D-like activity and would find ready application as a substitute for vitamin D compounds in the treatment of disease states evincing calcium-phosphorous imbalance. (FR) Nouveaux derives de la vitamine D et nouveaux composes intermediaires derives pendant les procedes de preparation de ces nouveaux derives. Les nouveaux derives ont ete identifies comme 1(Alpha)-hydroxy-25-ceto-27-nor-vitamine D3 et ses acylates. La substance 1(Alpha)-hydroxy-25-ceto-27-nor-vitamine D3 possede une excellente activite identique a celle de la vitamine D et s"applique facilement comme substitut des composes de la vitamine D dans le traitement de maladies temoignant d"un desequilibre calcium-phosphore.