Abstract: The present invention relates to novel intermediate(s), which are useful for the preparation of Rivastigmine compound of formula (I) and its pharmaceutically acceptable salts. The present invention further relates to the processes for the preparation of such novel intermediate(s) and preparation of Rivastigmine using such novel intermediate(s).
Abstract: The present invention relates to process for preparation of novel compounds which are acting as inhibitors of dipeptidyl peptidase-IV enzyme and is depicted by the structural formula as given below: Formula VI. Which are useful in the treatment or prevention of diseases in which the dipeptidylpeptidase-IV enzyme is involved, such as diabetes and particularly type-2 diabetes.