Asymmetric Syntheses of (S)-2-Methyl-3,4,5,6-tetrahydro-2H-pyran-4-one and (2S,6S)-2,6-trans-Dimethyl-3,4,5,6-tetrahydro-2H-pyran-4-one Which Employ a Common Lactol Intermediate

R&D Labs maybe for 133813-44-2

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