Litio Amoníaco Abedul reducción ¿es más d que l?

AuTiSTiC

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prefiero usar sodio es menos costoso y D o L todo depende de la sustancia química reducida y el mecanismo, se necesita un poco de resolución de problemas nuestro profesor solía dar uso a estas preguntas, pero algunos donde capaz de responder, aint fácil ya veces no se puede decir id no por experimentos
 

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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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