The present invention is directed to an improved process for preparing, prasugrel and maleate salt of Prasugrel and, optionally other pharmaceutically acceptable salts from, prasugrel and said maleate salt, in high yields and purity, which can be used at industrial scale.The process of the present invention comprises the steps of bromination, condensation, acetylating and optionally converting into maleate salt and, if desired, conversion into another pharmaceutically acceptable salt from it. The present process is advantageous in terms of productivity, efficacy, purity and also prevents the use of toxic substances.
