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  1. J

    Comment by 'Jack' in media 'Amphetamine synthesis'

    what ratio?
  2. J

    Comment by 'Jack' in media 'Amphetamine synthesis'

    If I have amphetamine freebase in toluene how do I precipitate amphetamine sulfate, do I dilute sulfuric acid with acetone or isopropyl alcohol?
  3. J

    BMK (benzylmethylketone) synthesis from APAAN (a-phenylacetoacetonitrile). Large scale.

    https://www.scribd.com/document/329301415/Conversion-of-APAAN-%CE%B1-phenylacetoacetonitrile-into-BMK-benzylmethylketone
  4. J

    PTC claisen condensation synthesis of APAAN (experienced chemists please)

    I am interested in conducting a synthesis of Phenylacetoacetonitrile under phase transfer conditions using aliquat 336(15grams per mol of phenylacetonitrile) and 50% sodium hydroxide solution(as water or (methanol 60grams in 200ml)/ polar phase) with toluene as non polar phase, ethyl acetate as...
  5. J

    Amphetamine synthesis from P2NP via Al/Hg (video)

    Can the acetic acid be replaced with formic acid?
  6. J

    Amphetamine synthesis from P2NP via Al/Hg (video)

    Can anybody tell me how important to the reaction proceeding is the presence of water in the reaction mixture?
  7. J

    Amphetamine synthesis from P2NP via Al/Hg (video)

    If I add the reaction mixture and no reaction begins, I must heat it to start it yes?
  8. J

    Amphetamine synthesis from P2NP via Al/Hg (video)

    Cam somebody in great detail describe to me the exact moment I should pour off the mercuric solution from the aluminum when preparing an aluminum amalgam? It is unclear if there needs to be a heavy gray thick precipitate or not.
  9. J

    Ways to reduce Sodium Nitrate to Nitrite

    Question 
    I wouldn't do anything I couldn't scale up, in for a penny in for a pound.
  10. J

    2 Questions on 2,5 dimethoxynitrostyrene reduction via aluminum amalgam. Experienced persons only.

    Question 
    There are two methods by which I can reduce nitrostyrene to amine, 1 is a procedure authored by sunlight here; https://www.erowid.org/archive/rhodium/chemistry/nitrostyrene.reduction.alhg.html, the second method is detailed here and used to the synthesis of amphetamine...
  11. J

    Ways to reduce Sodium Nitrate to Nitrite

    Question 
    This is *****ish, time is most valuable, you need to start as close as possible to finished product, or produce something with chemicals that are easier to get, reducing nitrate is a waste of time.
  12. J

    Acetic anhydride syntheses

    don't worry I found the source https://www.erowid.org/archive/rhodium/chemistry/anhydrides.html
  13. J

    Acetic anhydride syntheses

    Can you provide me a source for this;
  14. J

    Acetic anhydride syntheses

    G patton can you provide a source for the procedure wherein sulfur monochloride is produced in situ, if sulfur dioxide is emitted so as to complete the reaction I don't see how sulfur can be catalytic, unless acetyl chloride is being generated.
  15. J

    Concentrating acetic acid by freezing- QUESTION

    If you can obtain anhydrous sodium acetate, then via dry distillation with sodium bisulfate glacial acetic acid is distilled off.
  16. J

    Synthesis of Phenylacetic Acid From Benzyl Cyanide (large scale)

    Can you post a link to the source of this information, and what is the purpose of the activated carbon step? Is this personal experience?
  17. J

    Benzaldehyde synthesis from benzyl alcohol

    should I use a 1:1 molar amount of base to adduct?
  18. J

    Benzaldehyde synthesis from benzyl alcohol

    Can you be more specific? What should the concentration of the solution be?, how much volume of solution should I use for say 30 grams of adduct , does it matter?
  19. J

    Benzaldehyde synthesis from benzyl alcohol

    Can you described to me exactly how to purify by bisulfite adduct.
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