Marvin "Popcorn" Sutton
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100g bk,100ml pyrrolidine (~90g) ,400ml EtAc
these are the correct proportions for the AMINATION step
after completion of the reaction add 600ml of water to wash and separate the organic phase
acetone is added before acidification, after the organic layer has been separated from the aqueous layer.
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Hi can somebody tell me how i can get rid off an harsh pyrrolidine tast that i have with.my selfmade pvp?
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You need to wash the free base carfully with water first to remove the pyrrolidine, after that then your standard recrystallisation from acetone or ethanol