The present invention relates to novel processes for the preparation of 2-methyl-3-nitro-phenylethylamines 6, which in themselves form part of novel processes for the preparation of 4-[2-aminoethyl]-l,3-dihydro-2H-indol-2-ones 9 and in particular ropinirole and ropinirole hydrochloride.
The present invention also r...
Osmotic pump controlled porosity (CPOP) system have been disclosed for drugs that have varying solubility characteristics such as diclofenac sodium, pramipexole and nifedipine. Such systems in the form of tablets are intended for achieving controlled release of said drugs over 12-24 hours for the treatment of variou...