The present invention relates to an improved intermediate process for the preparation of Lesinurad of formula-l, by treating l-cyclopropyl-4-isothiocyanatonaphthalene of formula-2 with aminoguanidine hydrochloride in presence of suitable polar aprotic solvent in absence of base to get compound of formula 3, treati...
The present invention provides process for the preparation of Lasmiditan or salts thereof. The present invention also provides novel intermediate compounds and process for preparation thereof. The invention further provides use of novel intermediate compounds for the preparation of Lasmiditan or salts thereof
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