| 单词 | piperazine | 
| 释义 | piperazinen. Chemistry and Pharmacology.   A strongly basic crystalline compound, C4H10N2, whose molecule is an unsaturated six-membered ring with nitrogen atoms at opposite carbon atoms, and which is used in the form of a salt or hydrate as an anthelmintic. Also: a derivative of this compound. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines for specific purpose > remedies for parasitic infections > 			[noun]		 > vermifuge or anthelminthic > others brayera1875 piperazine1889 piperazidine1891 hexylresorcinol1924 thiabendazole1961 niridazole1966 tetramisole1966 mebendazole1971 oxamniquine1972 albendazole1976 1888    Jrnl. Chem. Soc. 54 726  				Diphenyldiketopiperazine.]			 1889    Jrnl. Chem. Soc. 56 1009 		(heading)	  				Piperazines. 1891    Jrnl. Chem. Soc. 60 415  				Piperazine melts at 104–107°. 1937    Thorpe's Dict. Appl. Chem. 		(ed. 4)	 I. 315/1  				Cyclic compounds are..produced by distilling the dihydrochlorides of the aliphatic diamines... Thus ethylenediamine yields piperazine. 1968    H. O. Mackey  & J. P. Mackey Handbk. Dis. Skin 		(ed. 9)	 xv. 137  				Thread worm manifestation may be treated by piperazine salts. 1970    W. H. Parker Health & Dis. Farm Animals xx. 276  				Piperazine compounds might be considered the safest.., but thiabendazole has the merit of being effective against both large and small round worms in the pig. 2004    Chem. & Pharmaceut. Bull. 52 316  				The general synthetic methods..involve tetrahydropapaverine, various piperazines, diisocyanates and diisothiocyanates as starting materials. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). <  | 
	
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