Medicinal products, based on 26,23 - lactones of the 25 - 25-hydroxyvitamin d3, which are useful in particular to act on the concentration in the serum calcium

摘要

Medicinal products and pharmaceutical compositions useful in particular to reduce the concentration of calcium in the serum to warm-blooded animals, including humans). / p & & p & the active components of these medicinal products are 26,23 - lactones of the 25 - 25-hydroxyvitamin d3, and derivatives hydroxyacetals corresponding to the formula: & br / (see appended drawing in bopi) & br / in which r denotes an atom of 1996, or a hydroxyl group and x represents - o - or a - o - o -.