Question Question/Help about isomers in synthesis

madmaximus

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How you synthesis cis/trans end product ,what is the physical thing that i need to do , for example - you used only cis precursors to get a final product with cis+ isomer ?
 

Osmosis Vanderwaal

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There's a few tactics. Yes to using chiral reactants but also sn2 reactions sometimes attack from the back and invert the handedness. In this way, a person could get for instance D- methamphetamine from D(1s,2s) pseudoephedrine or L(1r,2r) pseudoephedrine. Enantio-selective synthesis or enantiomeric asymmetric synthesis. There's a couple other procedures used also. I'm not a chemist, just a chemistry enthusiast.
 
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