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单词 tropeine
释义

tropeinen.

Brit. /ˈtrəʊpɪiːn/, U.S. /ˈtroʊpiˌin/
Forms: 1800s tropein, 1800s– tropeine, 1900s– tropëine.
Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: tropine n., -ein suffix.
Etymology: < trop- (in tropine n.) + -ein suffix, after German Tropëin (A. Ladenburg 1880, in Berichte der Deutschen Chemischen Gesellschaft 13 106; now Tropein). N.E.D. (1915) gives the pronunciation as (trōu·piˌəin) /ˈtrəʊpiːaɪn/.
Chemistry.
Any of a series of esters derived from tropine.
ΘΚΠ
the world > matter > chemistry > organic chemistry > esters > [noun] > named
oxalic ether1788
margarate1819
acrylate1843
urethane1856
tropeine1880
malonic ester1881
heavy oil of wine1882
phosphatide1884
ethanoate1892
imino-ester1897
acetylcholine1906
phaeophytin1907
phytic acid1908
propiolactone1917
silicon ester1923
methyl methacrylate1933
Tylose1934
testosterone propionate1937
filicin1941
trichothecin1948
siphonein1949
acetyl coenzyme A1950
acetyl CoA1951
1880 Pharm. Jrnl. & Trans. 10 771/1 Herr Ladenburg has further found that by the treatment with dilute hydrochloric acid of different salts of tropine..a class of alkaloids may be produced artificially, to which he has given the generic name of tropeines.
1913 T. A. Henry Plant Alkaloids 88 Jowett and collaborators..have prepared and tested about forty tropëines containing very varied acid radicles.
1964 I. L. Finar Org. Chem. (ed. 3) II. xiv. 516 One of the most important tropeines is homatropine (mandelyltropeine), which is prepared by combining tropine with mandelic acid.
2006 R. W. Olsen & H. Betz in G. J. Siegel et al. Basic Neurochem. (ed. 7) xvi. 298/2 Positive modulators..include alcohols, neurosteroids, tropeines and the divalent metal ion Zn2+.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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n.1880
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