Oxatomide

Last updated
Oxatomide
Oxatomide.png
Clinical data
Trade names Tinset, others
Other namesKW-4354; McN-JR 35443; R-35443
AHFS/Drugs.com International Drug Names
Routes of
administration
By mouth
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Identifiers
  • 1-{3-[4-(diphenylmethyl)piperazin-1-yl]propyl}-1,3-dihydro-2H-benzimidazol-2-one
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.056.637 OOjs UI icon edit-ltr-progressive.svg
Chemical and physical data
Formula C27H30N4O
Molar mass 426.564 g·mol−1
3D model (JSmol)
  • O=C2Nc1ccccc1N2CCCN5CCN(C(c3ccccc3)c4ccccc4)CC5
  • InChI=1S/C27H30N4O/c32-27-28-24-14-7-8-15-25(24)31(27)17-9-16-29-18-20-30(21-19-29)26(22-10-3-1-4-11-22)23-12-5-2-6-13-23/h1-8,10-15,26H,9,16-21H2,(H,28,32) Yes check.svgY
  • Key:BAINIUMDFURPJM-UHFFFAOYSA-N Yes check.svgY
 X mark.svgNYes check.svgY  (what is this?)    (verify)

Oxatomide, sold under the brand name Tinset among others, is a first-generation antihistamine of the diphenylmethylpiperazine family which is marketed in Europe, Japan, and a number of other countries. [1] [2] [3] [4] It was discovered at Janssen Pharmaceutica in 1975. [5] Oxatomide lacks any anticholinergic effects. [2] In addition to its H1 receptor antagonism, it also possesses antiserotonergic activity similarly to hydroxyzine. [2]

Contents

It was patented in 1976 and came into medical use in 1981. [6]

Chemistry

Synthesis

Oxatomide synthesis: Oxatomide synthesis.svg
Oxatomide synthesis:

Reaction of 2-Benzimidazolinone with isopropenyl acetate leads to the singly protected imidazolone derivative (2). Alkylation of this with 3-chloro-1-bromopropane affords the functionalized derivative (3). Alkylation of the monobenzhydryl derivative of piperazine (4) with 3 gives oxatomide (5), after hydrolytic removal of the protecting group.

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References

  1. J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 912–. ISBN   978-1-4757-2085-3.
  2. 1 2 3 Ohmori K, Ishii H, Nito M, Shuto K, Nakamizo N (May 1983). "[Pharmacological studies on oxatomide (KW-4354). (7) Antagonistic effects on chemical mediators]". Nippon Yakurigaku Zasshi. Folia Pharmacologica Japonica (in Japanese). 81 (5): 399–409. doi: 10.1254/fpj.81.399 . PMID   6138301.
  3. Index Nominum 2000: International Drug Directory. Taylor & Francis. 2000. pp. 768–. ISBN   978-3-88763-075-1.
  4. "Oxatomide".
  5. Harry Schwartz (August 1989). Breakthrough: the discovery of modern medicines at Janssen . Skyline Pub. Group. p.  149. ISBN   978-1-56019-100-1.
  6. Fischer, Jnos; Ganellin, C. Robin (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 548. ISBN   9783527607495.
  7. DE 2714437,Vandenberk, Jan; Kennis, Ludo E.J.& van der Aa, Marcel J.M.C.et al.,"Piperazin- und Piperidinderivate, Verfahren zu ihrer Herstellung und Arzneipräparate [Piperazine and piperide derivatives, procedures for their manufacturing and medicinal preparations]",published 1977-10-20, assigned to Janssen Pharmaceutica
  8. J. Vandenberk et al., U.S. Patent 4,250,176 (1981 to Janssen).