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Respiratory system drug stubs
Oxatomide
Другие языки:

Oxatomide

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Oxatomide
Oxatomide.png
Clinical data
Trade names Tinset, others
Other names KW-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
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) checkY
  • Key:BAINIUMDFURPJM-UHFFFAOYSA-N checkY
 ☒NcheckY (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. It was discovered at Janssen Pharmaceutica in 1975. Oxatomide lacks any anticholinergic effects. In addition to its H1 receptor antagonism, it also possesses antiserotonergic activity similarly to hydroxyzine.

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

Chemistry

Synthesis

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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