HUT61737A - Process for producing phenylpiperazines
- Google Patents
Process for producing phenylpiperazines
Info
Publication number
HUT61737A
HUT61737AHU160191AHU160191AHUT61737AHU T61737 AHUT61737 AHU T61737AHU 160191 AHU160191 AHU 160191AHU 160191 AHU160191 AHU 160191AHU T61737 AHUT61737 AHU T61737A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Egyt Gyogyszervegyeszeti GyarfiledCriticalEgyt Gyogyszervegyeszeti Gyar
Priority to HU160191ApriorityCriticalpatent/HU213097B/en
Publication of HU911601D0publicationCriticalpatent/HU911601D0/en
Publication of HUT61737ApublicationCriticalpatent/HUT61737A/en
Publication of HU213097BpublicationCriticalpatent/HU213097B/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Pharmaceutical intermediate, N-phenyl-piperazines of formula (I) (R = H, halogen, tri:fluoro-methyl-, low carbon-alkyl- or alkoxy-gp.; n = 1 or 2), are prepd. via cyclo-condensation of aniline -hydrochloride (II) and di:ethanolamine (III). The reaction proceeds in the presence of di:phosphorus -pentoxide condensing agent and of a phlegmatising agent.
HU160191A1991-05-141991-05-14Process for producing phenylpiperazines
HU213097B
(en)
5,6-dichlorbenzimidazole derivatives, process for obtaining thereof, pharmaceutical composition and method of treatment or prevention of herpetic viral infections
17-aryl and 17-heterocyclyl-14beta-5alpha-androstane, androstene and androstadiene derivatives active on the cardiovascular system, processes for their preparation and pharmaceutical compositions containing same