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单词 piperazine
释义

piperazinen.

Brit. /pɪˈpɛrəziːn/, U.S. /pəˈpɛrəˌzin/, /paɪˈpɛrəˌzin/
Origin: A borrowing from German. Etymon: German Piperazin.
Etymology: < German Piperazin (A. T. Mason 1887, in Berichte der Deutsch. Chem. Ges. 20 267) < Piper- (in Piperidin piperidine n.) + Azin azine n. Compare French pipérazine (1903). N.E.D.(1907) gives the pronunciation as (pi·pĕrăzəin) /ˈpɪpərəzaɪn/.
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.
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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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n.1889
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