Formaldehyde Biperiden

Fluoro uracil mercury Tegafur Formaldehyde Biperiden Bronopol Cortivazol Edetate disodium Glaziovine Hexetidine Meptazinol Metampicillin sodium Methylol riboflavin Nifurfoline Nifurtoinol Noxytiolin Oxymetazoline HCI Phenindamine tartrate Pipebuzone Thihexinol Timonacic sodium Triclobisonium chloride T romethamine Tyloxapol Formamide Cimetide Primidone Protriptyline Razo xane Spiperone Formic acid Bupivacaine... 

Mannich reaction of acetophenone with formaldehyde and piperidine results into the formation of an aminoketone, which on grignardization with bicyclic halide and subsequent neutralization with HCl affords the offieial eompound biperiden hydrochloride. 

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