Author Topic: I2/RP and GAA Time and use with HI  (Read 925 times)

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adnagi

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I2/RP and GAA Time and use with HI
« on: December 03, 2003, 04:00:00 PM »
Hi,

I read on several post which speaks reduction about pseudo or eph via I2/RP and GAA .
I have several questions about the subject.

If I understand the GAA well is to employ like solvent to facilitate or Accelerate the reduction !?!

Why the time of reflux is it so short 2 to 3 hours?

Which is the true action of the GAA?

If one addition of the GAA with the HI/RP and reflux 32 hours could one improve quality of the product by the maximum reduction to the iodo-ephedrine?
Where the mixture is incompatible being able to create too much acetic ester ephedrine ?

Thank you for your reply !

Regards.