Preorganization of the reacting partners through non-covalent interactions or intramolecular hydrogen bonding can be used to influence the stereoselectivity of the reaction.
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methyl 4,6-di-O-benzyl-α-D-mannopyranoside
N,N',N''-(2,4,6-triethylbenzene-1,3,5-triyl)tris(methylene)tris(4,4,5,5,6,6,6-heptafluorohexanamide)
1,2-bis(4-(4-pyridyl)-phenyl)ethane-1,2-dione
