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The ee value of 12 a could be improved to 89 % by further dropping the reaction temperature to -15 °C, but the yield obtained was impractical.
-
The ee value of 12 a could be improved to 89 % by further dropping the reaction temperature to -15 °C, but the yield obtained was impractical.
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78650076403
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65
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78650146991
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-
The ee value may be increased to >99.5 % ee by a single recrystallization with a 65 % recovery.
-
The ee value may be increased to >99.5 % ee by a single recrystallization with a 65 % recovery.
-
-
-
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