1-(4-(2-((1-(3,4-difluorophenyl)-1H-pyrazol-3-Yl)methoxy)ethyl)piperazin-1- Yl)ethanone salts
The present invention relates to 1-(4-(2-((1-(3,4-difluorophenyl)-1H-pyrazol-3-yl)methoxy)ethy)piperazin-1-y)ethanone salts, specifically to the hydrochloride and to the maleate, to pharmaceutical compositions comprising them, and to their use in therapy and/or prophylaxis of sigma receptor associated diseases.
1. A crystalline salt of 1-(4-(2-((1-(3,4-difluorophenyl)-1H-pyrazol-3-yl)methoxy)ethyl)piperazin-1-yl)ethanone, wherein said salt is selected from hydrochloride, maleate, fumarate, succinate, oxalate and/or hydrobromide.
2. The crystalline salt according to claim 1 wherein the salt is the hydrochloride salt of 1-(4-(2-((1-(3,4-difluorophenyl)-1H-pyrazol-3-yl)methoxy)ethyl)piperazin-1-yl)ethanone.
3. The crystalline salt according to claim 1 wherein the salt is the maleate salt of 1-(4-(2-((1-(3,4-difluorophenyl)-1H-pyrazol-3-yl)methoxy)ethyl)piperazin-1-yl)ethanone.
4. A pharmaceutical composition comprising at least a crystalline salt according to claim 1 .
5. A method for the manufacture of a medicament comprising combining the crystalline salt as defined in claim 1 with a pharmaceutically acceptable excipient.