Table 1.
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[a] 4‐Isopropyloxazolidinone as chiral auxiliary. [b] 4‐tert‐Butyloxazolidinone as chiral auxiliary. [c] Epimeric (R)‐isopropyloxazolidinone as chiral auxiliary.
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[a] 4‐Isopropyloxazolidinone as chiral auxiliary. [b] 4‐tert‐Butyloxazolidinone as chiral auxiliary. [c] Epimeric (R)‐isopropyloxazolidinone as chiral auxiliary.