Page last updated: 2024-12-08

em 523

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth

Description

EM 523: structure given in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID9831800
CHEMBL ID299799
MeSH IDM0171146

Synonyms (7)

Synonym
em 523
CHEMBL299799
bdbm85989
n-ethyl, n-methyl erythromycin-a enol ether
(2r,3r,4s,5r,8r,9s,10s,11r,12r)-5-ethyl-11-(((2s,3r,4s,6r)-4-(ethyl(methyl)amino)-3-hydroxy-6-methyltetrahydro-2h-pyran-2-yl)oxy)-3,4-dihydroxy-9-(((2r,4r,5s,6s)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2h-pyran-2-yl)oxy)-2,4,8,10,12,14-hexamethyl-6,15-
(2r,3r,4s,5r,8r,9s,10s,11r,12r)-5-ethyl-11-[(2s,3r,4s,6r)-4-[ethyl(methyl)amino]-3-hydroxy-6-methyloxan-2-yl]oxy-3,4-dihydroxy-9-[(2r,4r,5s,6s)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-2,4,8,10,12,14-hexamethyl-6,15-dioxabicyclo[10.2.1]pentadec-1(14)
AKOS040751674

Research Excerpts

Bioavailability

ExcerptReferenceRelevance
" ABT-229 was > 300,000 times more potent than erythromycin in vitro and had 39% oral bioavailability in dog compared to its 4",12-dihydroxy congener (EM-523), which was only 400 times more potent than erythromycin and had relatively low (1."( Synthesis of 4"-deoxy motilides: identification of a potent and orally active prokinetic drug candidate.
Edwards, CM; Faghih, R; Freiberg, L; Klein, LL; Lartey, PA; Marsh, K; Nellans, HN; Petersen, A; Plattner, JJ; Quigley, S, 1995
)
0.29
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Bioassays (4)

Assay IDTitleYearJournalArticle
AID25648Half life period after oral administration in the dog1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Synthesis of 4"-deoxy motilides: identification of a potent and orally active prokinetic drug candidate.
AID167709The compound was tested in vitro for prokinetic activity as smooth muscle contractility in isolated rabbit duodenum1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Synthesis of 4"-deoxy motilides: identification of a potent and orally active prokinetic drug candidate.
AID16045Oral bioavailability in dog1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Synthesis of 4"-deoxy motilides: identification of a potent and orally active prokinetic drug candidate.
AID234709Activity relative to erythromycin A1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Synthesis of 4"-deoxy motilides: identification of a potent and orally active prokinetic drug candidate.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (23)

TimeframeStudies, This Drug (%)All Drugs %
pre-19901 (4.35)18.7374
1990's20 (86.96)18.2507
2000's2 (8.70)29.6817
2010's0 (0.00)24.3611
2020's0 (0.00)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials1 (3.85%)5.53%
Reviews1 (3.85%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other24 (92.31%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]