NOVEL RECOVERY AND RECYCLING PROCESS OF UNWANTED ENANTIOMERS OF 2-AMINOPROPYL INDOLINE DERIVATIVES

摘要

The present invention discloses a novel recovery and recycling process of unwanted enantiomers of 2-aminopropyl indoline derivatives, useful intermediates, particularly, for preparation of Silodosin or salts thereof. The present invention also provides novel compounds of Formula-II Formula-III, Formula-IV and Formula-V.