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单词 pseudoephedrine
释义

pseudoephedrinen.

Brit. /ˌs(j)uːdəʊˈɛfᵻdriːn/, /ˌs(j)uːdəʊˈɛfᵻdrɪn/, /ˌs(j)uːdəʊᵻˈfɛdrɪn/, U.S. /ˈˌsudoʊˈɛfədr(ə)n/, /ˈˌsudoʊəˈfɛdr(ə)n/
Forms: 1800s– pseudephedrine, 1900s– pseudoephedrine.
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: pseudo- comb. form, ephedrine n.
Etymology: < pseudo- comb. form + ephedrine n., after German Pseudo-Ephedrin (A. Ladenburg & C. Oelschlägel 1889, in Berichte der Deutsch. Chem. Ges. 22 1823; quot. 1889 is from an English abstract of this paper).
Pharmacology.
A sympathomimetic drug obtained from plants of the genus Ephedra (or prepared synthetically) and used as a nasal decongestant.Pseudoephedrine is a stereoisomer of ephedrine. Chemical name: (1S,2S)-2-methylamino-1-phenylpropan-1-ol; C10H15NO.
ΘΚΠ
the world > health and disease > healing > medicines or physic > drugs having specific effect > [noun] > sympathomimetic > specific
pseudoephedrine1889
phenylpropanolamine1947
hydroxyamphetamine1948
isoprenaline1951
isoproterenol1957
orciprenaline1963
salbutamol1969
ritodrine1971
angel dust1990
1889 Jrnl. Chem. Soc. 56 1020 This substance, provisionally termed pseudephedrine, is isolated by extracting the roots with alcohol.
1909 Cent. Dict. Suppl. Pseudo-ephedrine, a colorless crystalline alkaloid, C10H15ON, isomeric with ephedrine,..similar to atropin.
1927 Science 14 Oct. 342/1 Ladenburg and Oelschlägel..have succeeded in isolating from the Ephedra vulgaris of Europe a stereoisomer, pseudo-ephedrine, which is not, strictly speaking, an antimere in its configuration.
1967 Martindale's Extra Pharmacopoeia (ed. 25) 76/2 Actifed... Syrup containing pseudoephedrine hydrochloride 30 mg. and triprolidine hydrochloride 1·25 mg.
1980 Brit. Jrnl. Clin. Pharmacol. 9 351 No significant effects were produced by any of the doses of pseudephedrine with regard to diastolic blood pressure.
1993 A. Dacyczyn Tightwad Gaz. iii. 144/1 If you want an oral decongestant look for a product that contains pseudoephedrine or phenylpropanolamine, or a combination.
2001 Quicksilver Mag. Spring 83/3 It may be worth taking a decongestant such as pseudoephedrine (brands include Sudafed and Actifed) a couple of hours before take off.
This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022).
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n.1889
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