Skip to search form
Skip to main content
Skip to account menu
Semantic Scholar
Semantic Scholar's Logo
Search 221,800,195 papers from all fields of science
Search
Sign In
Create Free Account
Methylephedrine cutoff:MCnc:Pt:Urine:Qn:Screen
Known as:
Methylephedrine cutoff [Mass/volume] in Urine for Screen method
, ????? ???:????:???:??:???:???????
, Methylephedrine cutoff:????:????:?:??:??
Expand
National Institutes of Health
Create Alert
Alert
Related topics
Related topics
4 relations
N-methylephedrine
Toxicology screen, general (procedure)
Unit of Mass Concentration
Urine
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2007
2007
Simultaneous chiral separation and determination of ephedrine alkaloids by MEKC‐ESI‐MS using polymeric surfactant I: Method development
J. Hou
,
Jie Zheng
,
S. A. Rizvi
,
S. Shamsi
Electrophoresis
2007
Corpus ID: 33820256
In this work, simultaneous separation of eight stereoisomers of ephedrine and related compounds ((±)‐ephedrine…
Expand
2006
2006
First enantioselective one-pot, three-component imino Reformatsky reaction
P. Cozzi
,
E. Rivalta
2006
Corpus ID: 44246935
Abstract The Reformatsky reaction is the well-recognized carbon-carbon bond-forming reaction of α-halo esters with aldehydes or…
Expand
2001
2001
O-Methylephedrine: a versatile and highly efficient ortho-directing group. Synthesis of enantiopure 1,2-disubstituted ferrocene derivatives.
L. Xiao
,
R. Kitzler
,
W. Weissensteiner
Journal of Organic Chemistry
2001
Corpus ID: 36469954
O-Methylephedrine was identified as a very efficient chiral auxiliary for ortho-lithiation reactions of ferrocenes. (1R,2S)-O…
Expand
1994
1994
Vibrational circular dichroism in ephedra molecules. Experimental measurement and ab initio calculation.
T. B. Freedman
,
N. Ragunathan
,
S. Alexander
Faraday discussions
1994
Corpus ID: 26060822
Vibrational circular dichroism (VCD) spectra in the OH- and NH-stretching regions have been measured for six pharmaceutical…
Expand
1989
1989
Sensitive high-performance liquid chromatographic assay using 9-fluorenylmethylchloroformate for monitoring controlled-release lidocaine in plasma.
Amnon Sintov
,
R. Siden
,
Robert J. Levy
Journal of Chromatography A
1989
Corpus ID: 822573
By clicking accept or continuing to use the site, you agree to the terms outlined in our
Privacy Policy
(opens in a new tab)
,
Terms of Service
(opens in a new tab)
, and
Dataset License
(opens in a new tab)
ACCEPT & CONTINUE
or Only Accept Required