Studies for a Diastereoselective Synthes
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Marco Berettoni; Rinaldo Marini Bettolo; Vittorio Montanari; Teresa Prencipe; Se
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Article
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1991
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John Wiley and Sons
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German
โ 585 KB
In the course of the cited synthesis of (\*)-la, compound 3a was in fact obtained as a major epimer, along with 3b. The synthesis of (&)-la was then carried on with the minor epimer 3b [4].