Piperazines (i.e., Fully Hydrogenated 1,4-diazines) Patents (Class 514/252.12)
- The additional hetero ring is a 1,3 diazine ring (Class 514/252.14)
- Spiro ring system containing (Class 514/252.15)
- Polycyclo ring system having the additional 1,3-diazine ring as one of the cyclos (Class 514/252.16)
- Additional six-membered hetero ring consisting of five ring carbons and one ring nitrogen attached directly or indirectly to the 1,3-diazine by nonionic bonding (Class 514/252.18)
- Five-membered nitrogen hetero ring attached directly or indirectly to the 1,3-diazine ring by nonionic bonding (Class 514/252.19)
- Oxygen hetero ring attached directly or indirectly to the 1,3-diazine ring by nonionic bonding (Class 514/252.2)
- The additional hetero ring is six-membered consisting of one nitrogen and five carbon atoms (Class 514/253.01)
- Polycyclo ring system having the additional six-membered nitrogen hetero ring as one of the cyclos (Class 514/253.02)
- Five-membered nitrogen hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding (Class 514/253.09)
- Chalcogen hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding (Class 514/253.11)
- Chalcogen bonded directly to ring carbon of the additional six-membered nitrogen containing hetero ring (Class 514/253.12)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the additional six-membered nitrogen hetero ring (Class 514/253.13)
- The additional hetero ring is five-membered having ring nitrogen (Class 514/254.01)
- The additional five-membered hetero ring also has chalcogen as a ring member (Class 514/254.02)
- The additional five-membered hetero ring consists of two ring carbons, two ring nitrogens, and one ring chalcogen (e.g., oxadiazolyl, thiadiazolyl, etc.) (Class 514/254.03)
- The additional five-membered hetero ring consists of three ring carbons, and of nitrogen and chalcogen in adjacent ring positions (e.g., isoxazolyl, isothiazolyl, etc.) (Class 514/254.04)
- Plural nitrogens in the additional five-membered hetero ring (Class 514/254.05)
- Polycyclo ring system having the additional five-membered nitrogen hetero ring as one of the cyclos (Class 514/254.08)
- Ring oxygen in the additional hetero ring (Class 514/254.1)