| titleOfInvention |
Intermediates 8- {4 '- [4' '- (pyrimidin-2' '' - yl) -piperazin-1 '' - yl] -but-2'-inyl} -8-aza-spiro [4,5] decan-7,9-dione or 8- {4 '- [4' '- (pyrimidin-2' '' - yl) piperazin-1 '' - yl] but-2'-enyl} -8-aza -spiro [4,5] decan-7,9-dione and process for the preparation of 8- {4 '- [4' '- (pyrimidin-2' '' - yl) -piperazin-1 '' - yl] - butyl} -8-aza-spiro [4,5] decan-7,9-dione, process for the preparation of the intermediates mentioned, medicaments containing them and process for the preparation of the starting materials 8-aza-spiro [4,5] decan-7 , 9-di- (on) -8-prop-2'-in for the preparation of the latter |