Abstract:
The present invention relates to a novel method for the preparation of racemic pregabalin (1) or a single enantiomer thereof, (S)-(+)-3-(aminomethyl)-5-methyl-hexanoic acid (2).
Abstract:
The present invention relates to novel crystalline forms of bosentan and processes for their preparation. Further, the invention relates to pharmaceutical compositions comprising said crystalline forms and use of said compositions in the treatment of patients suffering from endothelin receptor mediated disorders, for example, cardiovascular disorders such as hypertension, pulmonary hypertension, ischemia, vasospasm and angina pectoris.
Abstract:
The present invention, relates to novel processes for the preparation of sunitinib malate formula (I), pharmaceutical compositions comprising said polymorph and the use of the said pharmaceutical compositions in the treatment of various forms of cancer.
Abstract:
The present invention relates to novel intermediates and further to the use of said intermediates in processes for the preparation of indolinone derivatives, in particular 3-pyrrole substituted 2-indolinones having amide moieties on the pyrrole ring. Such compounds are useful in die treatment of abnormal cell growth, such as cancer, in mammals.
Abstract:
The present invention relates to novel polymorph forms III and IV of sunitinib malate, pharmaceutical compositions comprising the novel polymorphs and the use of the pharmaceutical compositions. The present invention further relates to processes for the preparation of polymorph form I, III and IV of sunitinib malate.