Process for preparing aryl piperazinyl-heterocyclic compounds with a piperazine salt
US5338846A · kind A · utility
11Cited by
5References
19Claims
0Family size
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Key dates
| Filing date | Apr 20, 1993 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Apr 20, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a compounds of the formula ##STR1## or a pharmaceutically acceptable acid addition salt thereof, which comprises reacting a piperazine salt of the formula ##STR2## with an alkyl halide containing compound of the formula ##STR3## in water with a reagent to neutralize the hydrohalic acid and heating the mixture under conditions which are suitable to effect the coupling of said piperazine salt with said alkyl halide containing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.