1 / 34

Antihistamines

rigg
Download Presentation

Antihistamines

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. ?16? ?????? Antihistamines

    2. Histamine? ???? ???, ??, ??? ?? ??? ?? ?????? ?? ???? ???, ?? ???? ??, ????

    3. Antihistamine Antagonists H1 antagonist : ???? ??? ??, ?,?,?? ???? ? allergy ??? ??. ???? ????, ???, ??? ? H2 antagonist : ????? ????? ??? ?? ? ???? ??. ???? ??, ???, ???, ???? ?

    4. ??????? ?? ??

    6. ??-????(H1 antagonist) Aminoalkyl ether(X:O) Ethylenediamine(X:N) Alkylamine(X:CH) Piperazine Phenothiazine ?? ??? ????? ??? ?????? ??????? ??? ?? ??? ?? ???? ??.? potentiates the depressant activity of barbiturate, alcohol, narcotic analgesics and other depressants 1. R,R’? methyl?? ?? ??? ??. 2. ??? 3? ???? ??, ??? pH?? protonation 3.??? ?? imidazole? ??? ?? 4. X? N??? ??? ??? 2 ?? 3?? ????? 5??6 angstrom??? ??? ??

    8. Ethanolamine? ??? ??????

    9. Ethylenediamine? ??????? ???? ? ????

    10. Piperazine? ?????? ???? ? ????

    23. H2 antagonist

    25. Cimetidine? ??

    27. H2 antagonist

    32. ??? ?? ??? (proton pump inhibitor)

More Related