Abstract:
Processes for the purification of lercanidipine hydrochloride are provided which uses a binary system of an alcohol-containing solvent such as methanol and an aliphatic ester-containing solvent such as isopropyl acetate. Processes for the preparation of substantially amorphous lercanidipine hydrochloride are also provided. Also provided is lercanidipine hydrochloride substantially in polymorph form V.
Abstract:
Novel polymorphs of a magnesium salt of (S)-omeprazole trihydrate and processes for their preparation are disclosed. Also disclosed is a process for the preparation of an amorphous form of a magnesium salt of (S)-omeprazole. Pharmaceutical compositions containing the magnesium salts are also disclosed.
Abstract:
The present invention provides novel intermediates of tadalafil and processes for their preparation. The present invention also provides for the preparation of tadalafil or a pharmaceutically acceptable salt or solvate thereof using the intermediates.
Abstract:
Novel polymorphs of a magnesium salt of (S)-omeprazole trihydrate and processes for their preparation are disclosed. Also disclosed is a process for the preparation of an amorphous form of a magnesium salt of (S)-omeprazole. Pharmaceutical compositions containing the magnesium salts are also disclosed.
Abstract:
A process for preparing an intermediate of almotriptan is disclosed, the process comprising the step of Heck coupling a 2-halo aniline derivative of Formula (I): wherein X is a halogen with a protected butynol compound of the general formula (III) wherein Prot can be the same or different and is a suitable protecting group, to provide a protected indole derivative of Formula (II).
Abstract:
A compound N-[l-(S)-ethoxycarbonyl-l-butyl]-(S)-alanine-DMT complex of Formula (II) is provided. Also provided is a process for the preparation of N-[l-(S)-ethoxycarbonyl-l-butyl]-(S)- alanine-DMT complex and its use in preparing perindopril or a pharmaceutically acceptable salt thereof.
Abstract:
A substantially pure dextrorotatory isomer of zopiclone or a pharmaceutically acceptable salt thereof and crystalline forms thereof are provided. Also provided is a process for its preparation and pharmaceutical compositions containing same.
Abstract:
Processes for the purification of lercanidipine hydrochloride are provided which uses a binary system of an alcohol-containing solvent such as methanol and an aliphatic ester-containing solvent such as isopropyl acetate. Processes for the preparation of substantially amorphous lercanidipine hydrochloride are also provided. Also provided is lercanidipine hydrochloride substantially in polymorph form V.
Abstract:
A compound N-[l-(S)-ethoxycarbonyl-l-butyl]-(S)-alanine-DMT complex of Formula (II) is provided. Also provided is a process for the preparation of N-[l-(S)-ethoxycarbonyl-l-butyl]-(S)- alanine-DMT complex and its use in preparing perindopril or a pharmaceutically acceptable salt thereof.
Abstract:
A strontium salt of esomeprazole is provided. A process for preparing a strontium salt of esomeprazole is also provided comprising reacting esomeprazole free base or a sodium, potassium or lithium salt of esomeprazole with a strontium source in one or more solvents.