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Solid-Phase Synthesis of ɤ-Lactone and 1,2-Oxazine Derivatives and Their Efficient Chiral Analysis
Fig 5
Summary of the final oxazines 12(R1,X,R2).
[a] Purity was determined from LC traces with use of PDA detector; [b] Overall yield after the HPLC purification.
doi: https://doi.org/10.1371/journal.pone.0166558.g005