Diphenhydramine

Synonyms: diphenhydramine, "Benadryl", "Benzhydramine", "Probedryl", "Alledryl", "2-(Benzhydryloxy)-N,N-dimethylethanamine", "Antistominum", "Dihidral", "Benzhydraminum", "Benzhydroamina", "Diphantine", "Difenhydramin", "Syntedril", "Novamina", "Medidryl", "Hyadrine", "Histaxin", "Etanautine", "Drylistan", "Diabylen", "Diabenyl", "Dermodrin", "Benodine", "Baramine", "Allergical", "Ibiodral", "Difedryl", "Dibondrin", "Mephadryl", "Desentol", "Dermistina", "Betramin", "Benzhydril", "Benzantine", "Benachlor", "Bagodryl", "Debendrin", "Benadrin", "Benapon", "Dabylen", "Antomin", "Nausen", "Dylamon", "Benylin", "Benylan", "Benodin", "Amidryl".

Source: Diphenhydramine is a histamine antagonist that possesses antihistaminic, antitussive, sedative, antimotion-sickness, antiemetic, and anticholinergic effects.

Identifiers:

IUPAC Name: 2-benzhydryloxy-N,N-dimethylethanamine
CAS Number: 58-73-1
PubChem ID: 3100
InChiKey: ZZVUWRFHKOJYTH-UHFFFAOYSA-N
Canonical SMILES: CN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2

Structural Properties:

Molecular Formula: C₁₇H₂₁NO
Molecular Weight: 255.35

Pharmacophore Features:

Number of bond donors: 0
Number of bond acceptors: 2
Number of atoms different from hydrogen: 19

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Evidence Supporting This Chemical as an Emerging Contaminant

Pastrana-Mart?nez, L. M., Pereira, N., Lima, R., Faria, J. L., Gomes, H. T., & Silva, A. M. (2015). Degradation of diphenhydramine by photo-Fenton using magnetically recoverable iron oxide nanoparticles as catalyst.?Chemical Engineering Journal,?261, 45-52.

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