Methdilazine

Methdilazine (Dilosyn, Tacaryl) is a first-generation antihistamine with anticholinergic properties of the phenothiazine class.

Methdilazine
Clinical data
AHFS/Drugs.comMonograph
ATC code
Identifiers
IUPAC name
  • 10-[(1-methylpyrrolidin-3-yl) methyl]- 10H-phenothiazine
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.016.220
Chemical and physical data
FormulaC18H20N2S
Molar mass296.43 g·mol−1
3D model (JSmol)
SMILES
  • S2c1ccccc1N(c3c2cccc3)CC4CCN(C)C4
InChI
  • InChI=1S/C18H20N2S/c1-19-11-10-14(12-19)13-20-15-6-2-4-8-17(15)21-18-9-5-3-7-16(18)20/h2-9,14H,10-13H2,1H3 Y
  • Key:HTMIBDQKFHUPSX-UHFFFAOYSA-N Y
 NY (what is this?)  (verify)

Synthesis
Methdilazine synthesis:[1] R. F. Feldkamp and Y. H. Wu; Mead Johnson & Company; U.S. Patent 2,945,855 (1960).

See also

References
  1. L. W. Marsch and R. Peterson, Arzneimittel Forsch., 9, 715 (1959).
  • Rani Basu L, Mazumdar K, Dutta N, Karak P, Dastidar S (2005). "Antibacterial property of the antipsychotic agent prochlorperazine, and its synergism with methdilazine". Microbiol Res. 160 (1): 95–100. doi:10.1016/j.micres.2004.10.002. PMID 15782943.
  • Chattopadhyay D, Mukherjee T, Pal P, Saha B, Bhadra R (1998). "Altered membrane permeability as the basis of bactericidal action of methdilazine". J Antimicrob Chemother. 42 (1): 83–6. doi:10.1093/jac/42.1.83. PMID 9700532.
  • Chattopadhyay D, Dastidar S, Chakrabarty A (1988). "Antimicrobial properties of methdilazine and its synergism with antibiotics and some chemotherapeutic agents". Arzneimittelforschung. 38 (7): 869–72. PMID 2905130.

The ring-contracted analog, methdilazine shows only very weak activity as a tranquilizer; instead, that agent constitutes an important antihistamine.


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