摘要:
The invention provides novel crystalline forms of fexofenadine hydrochloride, a process for the preparation of the novel forms and of the known form A, and their use in therapy.
摘要:
A process for the preparation of compounds of formula HO-A-ONO2 (I) wherein A is a C2-C6 alkylene chain by nitration of the corresponding alkanediols with “stabilised” nitric acid is herein disclosed. The process is safer to operators and allows to obtain advantageous yields on an industrial scale.