dormouse (Member)
04-24-00 13:03
No 108795
      Pethidine and Fentanyl -Dr._Tweakazoid  Bookmark   


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Author  Topic:   Pethidine and Fentanyl 
Dr._Tweakazoid
Member   posted 09-21-1999 05:56 PM          
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Going through the Demerol synth on Rhodium's(hail!) page , nicotinic acid caught my attention . I'm obviously not too keen on my opiate chemistry ,and it'll be more obvious when I ask :
What is the diff. between pethidines and fentanyls?

and . . .

Would nicotinic acid work for synth.ing fentanyls , or just 4-piperidone specifically ?

wait ,there's more . . .

Can piperidine (from piperine and piperic acid in pepper) be converted into 4-piperidone ?


At long last , it is over . Gratitudes


-Dr._T


Rhodium
Administrator   posted 09-22-1999 09:00 AM          
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Nicotinic acid won't work, you need isonicotinic acid. Neither of these compounds can be used to make fentanyls/4-piperidone.
Piperidine is not easily converted to 4-piperidone either.
 
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