[1] | GEORGEPS.Piperazine[P].US:3138598,1964-06-23. | [2] | MIKHAILOVAJAJ.(USSR)Thestudyonthecatalyticsynthesisforpiperazinewithanextremevaluemathematicalsimulationexperimentalmethod[J].ZhPrklKhim(leningrad),1974,47(8):1790-1794(Russ). | [3] | RAAKHIMOVRR.Piperazineandethylenediamine[P].USSR:539881,1976-12-25. | [4] | DISTELDORFJOSEF,FINKENORBERT,HUEBELWERNER.Processandcatalystformanufactureof1,4-diazabicyl[2,2,2]octaneandpiperazine[P].DE:3735212,1989-04-27. | [5] | FRANZM,RAYMONDL,MEYBEW.Piperazineandpiperazinehydrate[P].US:3112317,1963-11-26. | [6] | OHASHIY,ASOH.PiperazinefromN-(2-hydroxy-ethyl)ethylenediamine[P].JP:Kokai76122081,1976-10-25. | [7] | OHASHIY,ASOH,ITOF.Piperazineanditsderivatives[P].JP:74125375,1974-03-11. | [8] | KAWAMURAM,AKUTSUS,MACDAM,etal.Piperazine[P].JP:741011,1974-03-11. | [9] | KAWAMURAM,AKURSUS,MAEDAM.Piperazine[P].JP:7411712,1974-03-01. | [10] | ����»,����˫,������,��.��຺ϳ��д������о�[J].��ѧ��ҵ�빤��,1998,15(4):25-39. |
|