Results 51 to 60 of about 1,049 (182)

Stereochemical assignment at C-24 and C-25 of marine 24-ethyl-26-hydroxy steroids through comparison with synthetic (24S,25S)-, (24S,25R)-, (24R,25R)-, and (24R,25S)-models

open access: yes, 1990
The four diastereoisomers of cyclostigmastanol I and their E-22-unsatd. derivs. were prepd. Anal. of 1H and 13C NMR spectra of the synthetic model compds. and of their α-methoxy-α-(trifluoromethyl)phenylacetates provided data suitable for the assignment
Luigi Gomez Paloma   +7 more
core  

Synthesis of 24-methyl-26-hydroxysteroid sidechains: models for stereochemical assignments in polyhydroxylated marine steroids

open access: yes, 1990
The four diastereoisomers of cycloergostanol I and their E-22-unsatd. derivs. were prepd. via a Claisen rearrangement as model compds. of established abs. configuration for stereochem. assignments at C-24 and C-25 of marine 24-methyl-26-hydroxysteroids.
F. De Riccardis   +6 more
core  

Gas chromatographic enantiomer separation of mandelates and its analogs on permethylated cyclodextrin chiral stationary phases

open access: yes, 2000
Gas chromatographic enantionmer separation of mandelates and its analogs was investigated on permethylated beta -cyclodextrin (PMBCD) and permethylated gamma -cyclodextrin (PMGCD) chiral stationary phases(CSPs). The compounds investigated included methyl
Zhu, DQ, Zhou, LM, Wang, QH, Nie, MY
core  

Conformational Analysis and Electronic Interactions of Some 4′-Substituted-2-ethylthio-phenylacetates

open access: yes, 2015
The conformational analysis of various 4′-substituted-2-ethylthio-phenylacetate compounds bearing the substituents NO2 (1), Cl (2), H (3), Me (4), and OMe (5) was performed using infrared (IR) spectroscopic analysis of the carbonyl stretching band (νCO ...
Rodrigues, Daniel N. S   +7 more
core   +1 more source

Monitoring the treatment of urea cycle disorders using phenylbutyrate metabolite analyses: Still many lessons to learn. [PDF]

open access: yesMol Genet Metab, 2023
Glinton KE   +6 more
europepmc   +1 more source

<i>Bacteroides cellulosilyticus</i>-derived 2-hydroxyphenylacetic acid rectifies hepatic lipid homeostasis in MASLD by targeting the PPARγ-CD36 axis. [PDF]

open access: yesGut Microbes
Chen K   +21 more
europepmc   +1 more source

Alleviation of experimental arthritis in SKG mice through <i>Nr4a1</i> agonization. [PDF]

open access: yesFront Immunol
Nakayama Y   +10 more
europepmc   +1 more source

Homogentisate 1,2-dioxygenase (HGD) gene variants in young Egyptian patients with alkaptonuria. [PDF]

open access: yesSci Rep, 2023
Abdelkhalek ZS   +4 more
europepmc   +1 more source

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