levorphanoln.
/liːˈvɔːfənɒl/ Pharmacology.
A narcotic analgesic drug more potent and longer-lasting than morphine, usually administered as the hydrogen tartrate; (−)-3-hydroxy-N-methylmorphinan.
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Hoffmann's anodyne1747
acetylsalicylic acid1873
acetophenetidin1888
exalgin1889
pyramidon1898
aspirin1899
phenazone1899
Veganin1926
Trilene1935
Demerol1940
pethidine1942
Tridione1944
amidone1946
meperidine1947
methadone1947
Physeptone1947
Butazolidin1951
phenylbutazone1952
opioid1955
Panadol1955
propoxyphene1955
Tylenol1956
acetaminophen1957
paracetamol1957
Distalgesic1958
oxycodone1958
Sernyl1958
morphinomimetic1959
phencyclidine1959
levorphanol1960
mefenamic acid1962
pentazocine1964
Talwin1965
ibuprofen1967
nalbuphine1969
naproxen1971
phy1971
Nurofen1982
1960 National Formulary (Amer. Pharmaceut. Assoc.) (ed. 11) 188/2 Levorphanol Tartrate occurs as a practically white, odorless, crystalline powder.
1974 M. C. Gerald Pharmacol. xiii. 256 Unlike levorphanol (Levo-Dromoran), a narcotic analgesic agent, dextromethorphan, its methylated dextro-isomer, possesses no analgesic activity..and is not a respiratory depressant.
1977 Sci. Amer. Mar. 46/2 Potent opiates such as levorphanol and morphine have a much greater affinity for the receptor than weak ones such as meperidine and propoxyphene (Darvon).
This entry has not yet been fully updated (first published 1997; most recently modified version published online June 2018).
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n.1960