The protected β-formyl δ-lactone is then subjected to an α-alkylation reaction to introduce the desired α-substituent. This reaction can be highly stereoselective and enantioselective, often involving chiral catalysts or chiral auxiliaries.
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(3S,4R)-3-benzyl-2-oxotetrahydro-2H-pyran-4-carbaldehyde
sodium 2-phenyloxazoline-4-carboxylate
2-furyl phenyl ketone
2-(ALLYLDIMETHYLSILYL)PYRIDINE, 90%
3-(1H-indol-3-yl)-2-methyl-3-phenylpropan-1-ol
3-(1H-indol-3-yl)-2-methyl-3-phenylpropan-1-ol
D-a-Methyl DOPA
2-phenylthiomethyl-3,4-trans-tetramethylene-γ-butyrolactone
2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one
N,4-dimethyl-N-(2-oxoethyl)benzenesulfonamide
6-[1,3]Dithian-2-yl-3,5,5-trimethyl-cyclohex-2-enone
(2R,5R)-5-allyl-5-benzyl-2-(t-butyl)-1,3-dioxolan-4-one
