Determine the positions for chiral centers. Opt for chiral moieties that are likely to induce the desired stereochemistry.
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(4S,5S)-2-(chloromethyl)-4,5-dihydro-4,5-diphenyl-1-tosyl-1H-imidazole
styrene
Ethyl diazoacetate
3-Amino-2-methyl-1,3-diphenyl-propan-1-one
(-)-(S)-N-Methyl-S-(4-methylphenylsulfonyl)-S-phenylsulfoximine
D-Phenylalanine, N-L-phenylalanyl-, methyl ester
(2E,4S)-5-(benzyloxy)-4-methyl-2-penten-1-ol
