Litija amonjaka bērza reducēšana vai tas ir vairāk d nekā l?

AuTiSTiC

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id drīzāk izmantot nātrija tā lētāka un D vai L viss ir atkarīgs no ķīmiskās samazināts un mehānismu, tas prasa mazliet problēmu risināšanas mūsu skolotājs izmantoja deva izmantot šos jautājumus, bet daži, kur varēja atbildēt, aint viegli un dažreiz nevar pateikt, id nav ar eksperimentiem
 

Osmosis Vanderwaal

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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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