Chlormezanone AHFS/Drugs.com International Drug Names Routes of administration Oral ATC code Legal status
In general: ℞ (Prescription only)
Elimination half-life 40.5 hours
2-(4-chlorophenyl)-3-methyl-1,1-dioxo-1,3-thiazinan-4-one
CAS Number PubChem CID IUPHAR/BPS DrugBank ChemSpider UNII KEGG ChEBI ChEMBL CompTox Dashboard (EPA ) ECHA InfoCard 100.001.190 Formula C 11 H 12 Cl N O 3 S Molar mass 273.73 g·mol−1 3D model (JSmol)
O=S1(CCC(N(C)C1C2=CC=C(C=C2)Cl)=O)=O
InChI=1S/C11H12ClNO3S/c1-13-10(14)6-7-17(15,16)11(13)8-2-4-9(12)5-3-8/h2-5,11H,6-7H2,1H3
Y Key:WEQAYVWKMWHEJO-UHFFFAOYSA-N
Y
N Y (what is this?) (verify)
Chlormezanone (marketed under the brandname Trancopal or Fenaprim ) is a drug used as an anxiolytic and a muscle relaxant.[ 1]
Its use was discontinued in many countries in 1996 due to rare but serious cases of toxic epidermal necrolysis.[ 2]
Synthesis
Chlormezanone synthesis[ 3] [ 4]
References
^ Turner P, Volan G, Wiseman H (1997). Drugs Handbook . UK: Palgrave Macmillan. p. 20. ISBN 978-1-349-13937-8 .
^ Lerch M, Mainetti C, Terziroli Beretta-Piccoli B, Harr T (February 2018). "Current Perspectives on Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis". Clinical Reviews in Allergy & Immunology . 54 (1): 147– 176. doi:10.1007/s12016-017-8654-z . PMID 29188475 . S2CID 46796285 .
^ US 3082209 , Surrey AR, "4-metathiazanone derivatives and their preparation", issued 1958, assigned to Sterling Drug Inc.
^ Surrey AR, Webb WG, Gesler RM (1958). "Central Nervous System Depressants. The Preparation of Some 2-Aryl-4-metathiazanones". Journal of the American Chemical Society . 80 (13): 3469– 3471. Bibcode:1958JAChS..80.3469S . doi:10.1021/ja01546a065 .
Further reading
Wollina U, Hipler UC, Seeling A, Oelschlager H (2005). "Investigations of interactions of chlormezanone racemate and its enantiomers on human keratinocytes and human leucoytes in vitro". Skin Pharmacology and Physiology . 18 (3): 132– 138. doi:10.1159/000084910 . PMID 15897685 . S2CID 36642315 .
Seeling A, Oelschläger H, Rothley D (April 2000). "[Important pharmaceutical-chemical characteristics of the central muscle relaxant chlormezanone]". Die Pharmazie . 55 (4): 293– 296. PMID 10798243 .
Oelschläger H, Klinger W, Rothley D, Seeling A, Bockhard H, Hofmann B, et al. (September 1998). "[Cleavage and biotransformation of the central muscle relaxant chlormezanone]". Die Pharmazie . 53 (9): 620– 624. PMID 9770210 .
Gautier V, Vinçon G, Demotes-Mainard F, Albin H (1990). "[Pharmacokinetics of chlormezanone in healthy volunteers]". Therapie . 45 (4): 315– 319. PMID 2399514 .
Anxiolytics (N05B)
5-HT1A R Tooltip 5-HT1A receptor agonistsGABAA R Tooltip GABAA receptor PAMs Tooltip positive allosteric modulators Gabapentinoids(α2 δ VDCC blockers) Antidepressants
SSRIs Tooltip Selective serotonin reuptake inhibitors (e.g., escitalopram )
SNRIs Tooltip Serotonin-norepinephrine reuptake inhibitors (e.g., duloxetine )
SARIs Tooltip Serotonin antagonist and reuptake inhibitors (e.g., trazodone )
TCAs Tooltip Tricyclic antidepressants (e.g., clomipramine # )
TeCAs Tooltip Tetracyclic antidepressants (e.g., mirtazapine )
MAOIs Tooltip Monoamine oxidase inhibitors (e.g., phenelzine ); Others: Agomelatine
Bupropion
Tianeptine
Vilazodone
Vortioxetine
Sympatholytics(Antiadrenergics)
Alpha-1 blockers (e.g., prazosin )
Alpha-2 agonists (e.g., clonidine , dexmedetomidine , guanfacine )
Beta blockers (e.g., propranolol , atenolol , betaxolol , nadolol , oxprenolol , pindolol )
Others
# WHO-EM
‡ Withdrawn from market
Clinical trials:
† Phase III
§ Never to phase III
Skeletal muscle relaxants (M03)
Peripherally acting (primarily antinicotinic, NMJ block)
Non-depolarizing
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Dimethyltubocurarine
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ultra-short duration: Gantacurium
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AXS-17 (BAER-101, AZD-7325)
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CL-218,872
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Y-23684
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ICI-190,622
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SL-164
Volatiles/gases Others/unsorted
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α-EMTBL
AA-29504
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Avermectins (e.g., ivermectin )
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Chlormezanone
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Org 25,435
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See also: Receptor/signaling modulators • GABA receptor modulators • GABA metabolism/transport modulators