Liitium ammoniaagi Birch reduktsioon on see rohkem d kui l?

AuTiSTiC

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id pigem kasutada naatriumi selle odavam ja D või L kõik sõltub keemiline vähendatud ja mehhanism, see võtab natuke probleemide lahendamise meie õpetaja kasutas andis kasutada neid küsimus, kuid mõned, kus võimalik vastata, aint lihtne ja mõnikord ei saa öelda id ei eksperimente
 

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It's true, the birch reduction isn't just for drugs, it is used an many synths, but you'd be remiss to use Na because the product of the birch reaction is 11% with sodium and 75% with lithium . Lithium is free from old batteries and sodium metal is expensive. The birch has 2 simultaneous reactions going on . If you use ephedrine/pseudoephedrine or any chiral precursor, you will get 95%+ the isomer with the chirality of the precursors. If your precursor is racemic, your product isnracemic
 
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