Synthesis of Amphetamine from P2NP via SnCl2 and Zn

TucoSalamanca.

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How can I tell if it's amphetamines?
 

GDC

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GDC

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Thank you for your reply. I know that DCM is dichloromethane. I don't know whether ethyl acetate is a reactant or an extractant. If it is a reactant, it may not be replaceable. If the extraction agent is replaced with petroleum ether or xylene, will it affect the subsequent reaction?
hacke8no, he use it for extraction but ether is compatible with the GAA?
I think problem is that the GAA is the solvent ...
And don*t forget the exothermic reaction with NaOH :D
 

GDC

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Thank you for your reply. I know that DCM is dichloromethane. I don't know whether ethyl acetate is a reactant or an extractant. If it is a reactant, it may not be replaceable. If the extraction agent is replaced with petroleum ether or xylene, will it affect the subsequent reaction?
hacke8oh sry you mean my point 5
You can use ether after zinc reaction
 

hacke8

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oh sry you mean my point 5
You can use ether after zinc reaction
GDCThank you for your answer. This damn translator always makes us wrong. What kind of reagent is GAA? Glacial acetic acid?
 

G.Patton

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Thank you for your reply. I know that DCM is dichloromethane. I don't know whether ethyl acetate is a reactant or an extractant. If it is a reactant, it may not be replaceable. If the extraction agent is replaced with petroleum ether or xylene, will it affect the subsequent reaction?
hacke8
I don't know whether ethyl acetate is a reactant or an extractant.
Hello, it is said that there is an extraction procedure. EA here is used as extractant (solvent) for extraction of oxime.
 

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hacke8

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Hello, thread creator, there are a few questions I would like to answer. 1 Is it necessary to evaporate ethyl acetate after using ethyl acetate extraction? 2 Is it okay to use 37% hydrochloric acid without water? 3 What is the PH value after adding sour water? 4 Can small particles of zinc be used without zinc powder?
 

blockchain

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Can 37% h2so4 Be used as acid?
 

TucoSalamanca.

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From 7.5 grams of p2np I obtained 4 grams of amphetamine. Is it good?
 

mithyl2

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mithyl2

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he mean the sulfuric acid 98%
GDCok. i was asking about the purity of the amphetamine just before, so perhaps I should have touched on that. @tucosalamanca, have you definitely got pure amphetamine? mine is extremely contaminated as it has been with other methods :(
 

TucoSalamanca.

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ok. i was asking about the purity of the amphetamine just before, so perhaps I should have touched on that. @tucosalamanca, have you definitely got pure amphetamine? mine is extremely contaminated as it has been with other methods :(
mithyl2I have pure amphetamine, my first synthesis was dirty, my second synthesis was pure.
 

mithyl2

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I have pure amphetamine, my first synthesis was dirty, my second synthesis was pure.
TucoSalamanca.I don't have access to concentrated sulfuric acid where I am. If you have it could you try to precipitate the amphetamine with 85% phosphoric acid and see how pure your end product is?

I have no idea why the synthesis keeps failing for me, but I think the 85% phosphoric acid I'm using is the only thing that remains the same throughout all of my synthesis attempts.

Thank for any help :)
 

TucoSalamanca.

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I don't have access to concentrated sulfuric acid where I am. If you have it could you try to precipitate the amphetamine with 85% phosphoric acid and see how pure your end product is?

I have no idea why the synthesis keeps failing for me, but I think the 85% phosphoric acid I'm using is the only thing that remains the same throughout all of my synthesis attempts.

Thank for any help :)
mithyl2I tested the boiling point, true, but not the purity.
 

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