Pure strontium ranelate preparation in high yield on an industrial scale, useful as anti-osteoporosis agent, by multistage process starting from dialkyl 3-oxoglutarate and malononitrile

摘要

Process for the Industrial Synthesis of Salt diestroncio acid 5 - [bis (carboxymethyl) amino] - 3 - Carboxymethyl - cyano - 2 - 4 - carboxylic acid and its tiofen hydrates.